• US2067134A - Incandescent lamp : en
  • CA363096A - Organic compound : en fr
  • US2066359A - Fixing device for sliding clasp fasteners : en
  • US2067026A - Respirator : en
  • DE640494C - Telegraph system in which separate circuits are provided for the two opposite transmission paths of each connection within the self-access switching center : de en
  • US2066926A - Magnetic iron alloy : en
  • US2066366A - Process for making silica stone material : en
  • US2067089A - Yieldably mounted abrasive elements : en
  • CA363181A - Train control system : en fr
  • US2066958A - Sealing composition : en
  • US2067007A - Method of coating metal : en
  • US2066922A - Manifold for multicylinder internal combustion engines : en
  • US2066949A - Craft navigating apparatus : en
  • US2066715A - Television apparatus : en
  • US2067014A - Cyanidation and flotation of ores : en
  • US2067077A - Lamp switch : en
  • CA363219A - Paper pulp production : en fr
  • US2066538A - Synchronizing sound reproducing record with display device : en
  • US2066839A - Button shaping machine : en
  • US2066801A - Block printing machine : en
  • US2066437A - Ring watch : en
  • US2066389A - Tool setting means : en
  • US2066690A - Filter for radio sets : en
  • US2067127A - Condensation products of the aza : en
  • US2066869A - Conveyer divider : en
  • DE640530C - Automatic valve with a pot-like housing : de en
  • DE640606C - Feeding device : de en
  • US2066613A - Piston : en
  • US2066937A - Elevator signal and control system : en
  • USD102640S - Design for a trimming for recepta : en
  • US2066376A - Annealing leer : en
  • DE640557C - Steam generation system, consisting of a pipe steam generator operated with a forced flow of the working medium and a memory : de en
  • CA363125A - Building material curing method : en fr
  • US2066582A - Ultraviolet printing-out compounds : en
  • USRD20230E - Design for a candle lamp : en
  • FR807219A - Cement manufacturing process : en fr
  • FR807145A - Automatic dispenser : en fr
  • GB459511A - A pouring-out device for bottles : en
  • GB459422A - Scanning apparatus for television receivers : en
  • CA363178A - Hydrocarbon oil processing : en fr
  • DE640467C - Separating termination for telecommunication cable systems : de en
  • GB459159A - Rotary fish freezing machine : en
  • GB459267A - Improvements in loading road vehicles on to railway trucks : en
  • US2066758A - Infinitely variable speed mechanical transmission system : en
  • CA363249A - Storage battery : en fr
  • DE640456C - Process for the preparation of 3, 4-dioxyphenylmonocycloalkylaminobutan-1-ols : de en
  • FR807263A - electric motor or dynamo : en fr
  • GB459427A - Improvements in devices for brushing the teeth and massaging the gums : en
  • FR807076A - Radiator : en fr
  • GB459495A - Improvements in electric lamp bulbs for motor car headlights and the like : en
  • CA363094A - Tractor wheel device : en fr
  • CA363207A - Water boiler : en fr
  • CA363260A - Silencer for pneumatic drills : en fr
  • CA363224A - Insecticide applicator : en fr
  • GB459382A - Improvements in cycle and like saddles : en
  • US2066553A - Motor vehicle : en
  • US2066909A - Elevator system : en
  • DE640404C - Process for the production of azo dyes : de en
  • FR807289A - Lock enhancements : en fr
  • GB459398A - Improvements in baby carriages : en
  • DK52526C - Semi-cylindrical building construction. : da en
  • US2066418A - Sludge disposal plant : en
  • US2066885A - Page-form tie-up : en
  • US2066524A - Unit heater for hot gases : en
  • US2066406A - Tabulating machine : en
  • US2066486A - Apparatus for applying wrappers to fillers : en
  • US2067118A - Sliding door for display cases : en
  • US2066566A - Process of winding and cutting paper into sizes : en
  • US2066607A - Apparatus for treating and diffusing pyrethrum : en
  • US2066460A - Apparatus for making cigarettes : en
  • US2066694A - Safety license tag fastener : en
  • FR807216A - Improvements to processes and furnaces for the heat treatment of glass and other objects : en fr
  • FR807143A - Safety device ensuring the shutdown of machines or motors in the event of their cooling ceasing : en fr
  • CA363141A - Pulsation producing apparatus : en fr
  • US2066805A - Flexible gear drive : en
  • CA363103A - Folding support : en fr
  • US2066637A - Spindle and means for holding same : en
  • US2066680A - Glare eliminating system : en
  • US2066419A - Tubular post : en
  • US2066652A - Liquid fuel burner : en
  • US2066910A - Metal weather strip for steel casement windows and doors : en
  • DE640612C - Rohrmühle : de en
  • DK52536C - Method and Machine for Making Capsule Inserts with Protective Disc. : da en
  • FR807315A - Metal box body and its manufacturing process : en fr
  • GB459476A - Improvements in appliances for treating bowling greens and the like : en
  • FR807093A - Improvements to the tensioner mechanism of shuttle stitch shoe sewing machines : en fr
  • US2066870A - Alloys of rhodium and nickel : en
  • US2066899A - Dough-piece controlled flour dusting mechanism : en
  • US2067070A - Heating system : en
  • US2067130A - Side delivery rake : en
  • US2066322A - Electric cable system : en
  • CA363170A - Synchronous motor control : en fr
  • GB459372A - Improvements in or relating to filters for gaseous media : en
  • GB459410A - Process and apparatus for impregnating and/or coating textile threads : en
  • GB459329A - Improvements in or relating to apparatus for and methods of removing water from a web of waxed sheet material, such as waxed paper, and a waxing machine employing said apparatus : en
  • GB459336A - Improvements in or relating to the production of metallic articles from powders : en
  • GB459358A - Arrangement in dish washing machines : en
  • GB459454A - Improvements in or relating to ring and traveller apparatus for use in machines for twisting and doubling yarns, and for covering cores : en
  • GB459491A - Improvements in and relating to automobile vehicles : en
  • GR6209B - METALLIC TUBE STRUCTURE SYSTEM WITH WOODEN FLOORS OR WALLS OR ROOF ROLLING (SHEET METAL) OR SIMILAR MATERIALS. : el en
  • FR807154A - Spark plug : en fr
  • GB459447A - Improvements in or relating to apparatus for the rapid production of steam for use particularly for toilet or medical purposes : en
  • US2066692A - Valve : en
  • DE640608C - Pipe equalizer : de en
  • USD102628S - Design fok a tray : en
  • US2066453A - Preservative for animal and vegetable substances : en
  • US2067010A - Driving attachment : en
  • US2067121A - Antiskid device : en
  • FR807226A - Earth globe with measuring device : en fr
  • FR807256A - Improvement in the composition of alkaline detergents, intended for bleaching fibers : en fr
  • GB459429A - Winding machines for yarns and threads : en
  • GB459308A - Means for attaching sheets together : en
  • DK52520C - Procedure for bleaching fatty acids, oils and fats. : da en
  • US2066957A - Garter grip : en
  • US2066379A - Impregnating apparatus : en
  • US2066425A - Link support : en
  • US2066537A - Tractor sweep rake : en
  • US2066451A - Carriage for shaking conveyers : en
  • DE640516C - Circuit arrangement for maintaining self-connection connections established by dialing calls : de en
  • US2067120A - Rhythmic inhaler : en
  • FR822795A - Improvements to vehicles with chains or running belts : en fr
  • FR822819A - Method and device for the further processing and finishing of spinning cakes spun in centrifuges : en fr
  • DE640576C - Device to compensate for drying shrinkage when drying veneer tapes : de en
  • DE640655C - Housing for rod-shaped electric flashlights : de en
  • US2066361A - Combined magazine and extension stock for automatic pistols : en
  • DE636188C - Patience : de en
  • FR807326A - Adjustable binding : en fr
  • FR807126A - Hook tile device : en fr
  • FR807313A - Scenic insect cage : en fr
  • GB459384A - Table tennis clamp with adjustable tension control : en
  • DE640579C - Process for the production of ammonium sulfate : de en
  • US2066390A - Closure for containers : en
  • US2066901A - Ratchet recliner seat-back mechanism : en
  • US2066383A - Portable sectional conveyer : en
  • US2066511A - Wiring device : en
  • US2066786A - Power operated receiver or recorder : en
  • GB459337A - Improvements in means for locking firearms in elevation and training : en
  • GB459351A - Self-starting single-phase alternating current synchronous motor : en
  • US2066364A - Screening device : en
  • US2066912A - Electrolytic condenser : en
  • USD102665S - Design for a textile fabric : en
  • FR807347A - Automatic switch with a special cover cap : en fr
  • GB459294A - Improvements in and relating to the manufacture and production of artificial filaments, threads, bands and the like : en
  • US2066492A - Production or treatment of artificial filaments or the like : en
  • US2066499A - Range finding device : en
  • US2066570A - Paper making machine : en
  • GB459286A - Improvements in and relating to base-exchanging material for bringing about ion exchanges : en
  • FR807299A - Foam stirrer for all liquids : en fr
  • US2066804A - Paper clip : en
  • US2066967A - Dyes of the cyanine series : en
  • GB459501A - Improvements in or relating to deep boring plant : en
  • DE604298C - Hot water heating system : de en
  • FR807147A - Device for controlling and monitoring the amperage of an alternating current : en fr
  • CA363240A - Rotary kiln : en fr
  • GB459444A - Improvements relating to actuating mechanism for change speed gearing : en
  • GB459275A - Improvements in and relating to transmitter devices for facsimile printing telegraphinstallations : en
  • FR807230A - Process for the manufacture of dyed artificial products and products dyed by this process : en fr
  • FR807224A - X-ray frame : en fr
  • GB459377A - Improvements in and relating to bag and like tubing machines : en
  • DE640555C - Filter with a special residual filter : de en
  • FR807296A - Double-acting amplitude filter : en fr
  • GB459338A - Improvements in or relating to head coverings : en
  • US2066367A - Alkoxyalkyl mercuric salts of polybasic acids : en
  • DE640534C - Heating device, in particular for motor vehicles : de en
  • DE640609C - Dirt separator for mill feeders : de en
  • FR807172A - Method of forming insulating strips or layers, particularly applicable to the insulation of conductors and windings of electrical machines or apparatus : en fr
  • DE1397334U - : de en
  • GB459176A - Full fashion hosiery knitting machines : en
  • FR807283A - Lantern holder or low beam : en fr
  • GB459423A - Improvements in or relating to combined water gauge and short water alarm for steam boilers : en
  • DE640689C - Hydraulic jack : de en
  • US2066365A - Tridymite stone : en
  • US2067150A - Method of reclaiming electric lamps : en
  • US2066344A - Driving and stopping mechanism : en
  • DE640483C - Presser foot for zigzag sewing machines for the production of buttonholes : de en
  • FR807112A - Switch-combination : en fr
  • CA363288A - Bore hole core taking device : en fr
  • US2067081A - Modulation of oscillations : en
  • US2067106A - Electropneumatically operated window : en
  • US2066770A - Electrical connecter : en
  • US2067021A - Means for converting electrical energy into acoustical energy : en
  • US2066813A - Fastening device : en
  • US2066426A - Composite fence structure : en
  • DE640057C - Device for conveying cut tobacco to cigarette machines working by means of suction : de en
  • USD102635S - Design for a bracelet : en
  • US2066873A - barnes : en
  • US2066969A - Safety catch for pins and method of making the same : en
  • CA363139A - Electric switch : en fr
  • GB459170A - Improvements in or relating to heat exchangers : en
  • GB459512A - An actuating device for direction indicators, glare-visors and the like provided on vehicles : en
  • DE640468C - Electrical measuring and protection equipment : de en
  • FR807264A - Advanced reader : en fr
  • CA363203A - Lubricating oil : en fr
  • DE640684C - Protection device for electrical networks : de en
  • CA363157A - Undervoltage protective system : en fr
  • DK52515C - Synchronization device for TV receivers. : da en
  • US2066651A - Apparatus for burning liquid fuel : en
  • DE640563C - Arrangement to improve the voltage and current curves in single-phase inverters working with controlled discharge paths : de en
  • DE640587C - DC drive by means of main current motors, especially for electrically operated vehicles in group travel : de en
  • CA363266A - Window structure : en fr
  • DE640519C - Armature winding machine, especially for small electric motors : de en
  • DK52533C - Tank. : da en
  • DE640581C - Process for the preparation of sulfuric acid esters of carboxylic acid amides : de en
  • CA363093A - Coloured rubber article : en fr
  • GB459156A - Improvements in or relating to circular looms : en
  • CA363265A - Jail lock : en fr
  • FR807242A - Improvements to internal combustion engines incorporating means for varying the compression ratio : en fr
  • GB459425A - Improvements in and relating to fans : en
  • US2066382A - Device for holding and positioning railroad spikes : en
  • US2066550A - Method of making portland cement products : en
  • FR807171A - Insulating flexible hose : en fr
  • US2066458A - Fish lure : en
  • US2066998A - Washing and rinsing apparatus : en
  • US2067018A - Christmas tree ornament : en
  • US2067124A - Bottle holder : en
  • US2067137A - Solvent refining of mineral oil : en
  • CA363214A - Guideway : en fr
  • FR807122A - Method and apparatus for direct reading of instantaneous fuel consumption of engines : en fr
  • FR807312A - Application of pleated tubular metal membranes to fluid control and regulation devices : en fr
  • CA363204A - Locomotive stoker : en fr
  • US2066422A - Printing machine : en
  • US2066616A - Paint spraying booth : en
  • USD102666S - Design for a rug : en
  • US2067067A - Fishing reel : en
  • US2066380A - Locking and clamping device : en
  • US2066403A - Electromagnetic : en
  • FR807123A - Device for controlling gear change mechanisms : en fr
  • FR807281A - Punching device for straight line hosiery looms with jacquard opening device : en fr
  • CA363263A - Screw : en fr
  • FR807223A - Teeth grooming set : en fr
  • FR807303A - Improvements to motor vehicles : en fr
  • FR807334A - Double acting pump : en fr
  • DE640517C - Feedback circuit for amplifying electrical vibrations : de en
  • CA363176A - Apparatus for digesting fibrous or cellular materials : en fr
  • DE640512C - Drive device for vehicles running on wheels, especially rail vehicles : de en
  • US2066645A - Combination finder for locks : en
  • US2067103A - Means or device for investigating, correcting, and developing the power of human vision : en
  • GB459167A - Improvements in photographic cameras : en
  • DE640678C - Locomotive coaling plant : de en
  • GB459207A - Process for the manufacture of laevo-ascorbic acid : en
  • DE640406C - Process for the production of plastics or artificial structures from cellulose compounds : de en
  • US2066731A - Neutral water-soluble complex compounds : en
  • US2067049A - Internal combustion engine : en
  • CA363120A - Cap and package : en fr
  • US2066978A - Carriage return : en
  • US2067135A - Spinning ring mounting : en
  • US2067138A - Nuclear substituted acenaphthalic acids and 1.4.5.8-naphthalenetetracarboxylic acidsand process of preparing them : en
  • US2066882A - Defecator : en
  • US2067144A - Fresh air intake for railway cars : en
  • AU2583535A - Amplifiers for communication currents : en
  • US2066462A - Ladder jack : en
  • US2066488A - Unwinding machine : en
  • US2066917A - Bushing : en
  • GB459513A - Improvements in or relating to valves for inflatable articles : en
  • DE640618C - Trailer coupling for motor vehicles : de en
  • US2067012A - Composite building material : en
  • US2067131A - Fuel injector : en
  • FR807327A - Improvements in thermal and / or sound insulation : en fr
  • US2066407A - Tabulating machine : en
  • US2066745A - Circuit controller : en
  • US2067101A - Leg supporting device : en
  • GB459154A - An improved screen for vehicle driving mirrors : en
  • GB459355A - Improvements in and relating to masks for the screens of cathode ray tubes : en
  • DE635738C - Process for producing stereotyping materials for individual lines of writing of the same length by embossing : de en
  • GB459437A - Improvements in or relating to sole-rounding machines for use in the manufacture of boots or shoes : en
  • GB459777A - Improvements in or relating to the extrusion of moist, plastic bodies : en
  • US2067009A - Tubing and sucker rod fishing socket : en
  • US2066502A - Telephone system : en
  • US2066883A - Defecator with integral evacuator : en
  • US2066827A - Liquid dispensing device : en
  • US2066555A - Relief map duplicating machine : en
  • US2066862A - Distributor blade for manure spreaders : en
  • FR807276A - Apparatus for molding plastic blocks, for example bricks : en fr
  • FR807323A - Weft changing device with reservoir for reserve cans in the shape of a drum : en fr
  • DE640400C - Arrangement for grid control for elastic converters with grid-controlled vapor or gas discharge paths : de en
  • GB459519A - Process and apparatus for manufacturing metal tubing from skelp : en
  • FR807225A - Device for simultaneous locking of the bolt and nut in the locks : en fr
  • FR807137A - Improvements to electric wave filters : en fr
  • FR807227A - Interchangeable buttons, ornaments and the like : en fr
  • US2066484A - Screw : en
  • US2067059A - Building unit : en
  • USD102660S - Design for a chair seat pan : en
  • GB459408A - Improvements in or relating to the electrical purification of gases : en
  • FR807180A - Improvements in the pneumatic separation of materials of different densities and sizes : en fr
  • FR807253A - Automatic mechanical pencil : en fr
  • US2066432A - Air deflector : en
  • US2067025A - Method of transforming polymerized vinyl chloride into thin sheets and product obtainable thereby : en
  • USD102653S - Design for : en
  • US2067148A - Match packet and method of : en
  • FR807208A - Improvements to vacuum and condensing pumps : en fr
  • FR807101A - Automatic winding of films as they are printed in cameras and cinematographs : en fr
  • USPP213P - Hybrid poplar : en
  • DE640410C - Deck chair : de en
  • DK52511C - Heat transfer device. : da en
  • FR822862A - Process for the preparation of mono-halogenated products and specific equipment for carrying out this process : en fr
  • GB459340A - Improvements in and relating to mechanism for applying sections of covering or tipping material to a continuously advancing web of wrapping material : en
  • US2066428A - Glove : en
  • US2067102A - Automobile motor warmer : en
  • FR807210A - Device for injections and enemas for the various cavities of the body : en fr
  • GB459303A - Improvements in or relating to piezo electric crystal arrangements suitable for use in high frequency signalling apparatus : en
  • GB459367A - Improvements in and relating to the welding of alloy steels : en
  • DK52508C - Dry gas container with corrugated, elastic jacket and procedure for its installation. : da en
  • FR807060A - Percussion fuze with tube safety device : en fr
  • FR807164A - Machine for automatic molding and delivery of edible ice cream : en fr
  • FR807246A - Bottle nipple : en fr
  • GB459486A - Improvements in or relating to tricycles : en
  • FR807218A - Attachment method of removable bands and the resulting products : en fr
  • GB459434A - Improvements in and relating to threads, filaments or yarn to be used preferably in the making of fabrics, and process of manufacture thereof : en
  • FR807305A - Device for recoil damping of firearms : en fr
  • GB459409A - Improvements in or relating to filters : en
  • GB459162A - Improvements in or relating to apparatus for cleaning oil tanks and like containers : en
  • US2066468A - Fender for automobiles : en
  • US2067060A - Method of treating pigments : en
  • DE640421C - Tube apparatus for heat exchange : de en
  • FR807152A - Automatic device for collecting sums of money, receiving documents and similar objects and giving receipts : en fr
  • FR807214A - Motor locomotive powered by gasifier : en fr
  • GB459514A - Improved manufacture of sheets from polyvinyl chloride or the like : en
  • DE640414C - Writing device for measuring devices : de en
  • DE640539C - Suspension for trailers, especially for motorcycle and bicycle trailers : de en
  • GB459323A - Improvements in or relating to electric discharge lamps : en
  • DE640501C - Control transformer for stepless voltage regulation : de en
  • DE640676C - Tube closure with a cylinder-shaped or conical valve plug arranged transversely to the tube axis, the housing of which has a slot which is parallel to the axis of the valve plug : de en
  • FR807337A - Humidifier device for yarns : en fr
  • US2066935A - Surge and outageproof distribution transformer : en
  • GB459208A - Improvements in and relating to automatic record-changing talking machines : en
  • GB459419A - Improvements in or relating to electric motor control systems : en
  • GB459498A - Improvements in or relating to current collecting equipment for electric vehicles : en
  • US2066638A - Holder for paper match folders : en
  • US2066761A - Trolley wire lubricator : en
  • US2066701A - Process for setting newly pasted storage battery plates : en
  • FR807286A - Disazo dyes and their preparation process : en fr
  • FR807295A - Device for attaching tapes to reels : en fr
  • DE640380C - Device for controlling the scissor movement in heel lasting machines : de en
  • DE640474C - Band saw for cross-cutting logs : de en
  • DE640547C - Vehicle toy with a spark device set in revolutions by the spring drive in the form of a chariot : de en
  • US2066457A - Solid fuel briquet and process of making the same : en
  • US2066632A - Temperature responsive emergency circuit breaker for electric fluid heaters : en
  • USD102604S - Design fob a textile fabric or : en
  • USD102617S - Design for a shoe : en
  • US2067065A - Dispensing device : en
  • US2066444A - Hood hinge : en
  • FR807055A - Device for remotely operating the aerial winch on air vehicles : en fr
  • GB459383A - Improvements in or relating to baths : en
  • US2067111A - Stocking package : en
  • CA363107A - Door bumper : en fr
  • CA363256A - Velvet and pile fabric : en fr
  • FR807097A - Explosion detector device particularly suitable for fire crackers : en fr
  • DK52534C - Tank. : da en
  • US2066659A - Roll chuck for web presses : en
  • FR807339A - Process for the manufacture of imitation ermine skins : en fr
  • US2066474A - Method of lacing shoe uppers : en
  • US2067090A - Novelty : en
  • FR807290A - Improvements to baby bottles and their accessories : en fr
  • FR807175A - Improvement in the casting of metals and their ladles : en fr
  • FR807222A - Process for preparing methacrylic acid : en fr
  • GB459500A - Improvements in an anti-friction bearing : en
  • DE640589C - Circuit arrangement for achieving a band filter effect in matched high or intermediate frequency amplifiers : de en
  • FR807191A - Assembly of ball bearings and assembly of bearings comprising such an assembly : en fr
  • GB459343A - Improvements in or relating to electrical band-pass filters for wireless receiving sets : en
  • FR807243A - Assembly device for antenna mast in several sections : en fr
  • FR807321A - coffee grinder : en fr
  • GB459418A - A process for the desulphurisation of gases : en
  • DE640476C - Template milling machine, especially for woodworking : de en
  • FR807157A - Process for the transformation of solid, liquid or gaseous hydrocarbon materials into appreciable compounds : en fr
  • FR807092A - Enhancements to clips for high pressure lubrication devices : en fr
  • USD102607S - Design fob a textile fabric : en
  • US2066328A - Handle for instruments : en
  • US2066846A - Apparatus for molding plastic materials : en
  • FR807158A - Mirror device for the toilet and similar uses : en fr
  • GB459430A - Winding machines for yarns and threads : en
  • USD102627S - Design fob a cabinet for a hair : en
  • DE640596C - Method and device for the production of hollow metal centrifugal castings : de en
  • GB459451A - Improvements relating to hydraulic classifying machines for dealing with rock, ores and other substances : en
  • DE640348C - Pull and push cable with guide sleeve, especially for guide chambers of punched card table machines : de en
  • US2066791A - Welding apparatus : en
  • GB459245A - Improvements in or relating to lifting devices : en
  • GB459193A - Improvements in heat insulating coverings made of spun glass : en
  • FR807221A - Process for burning sulfur : en fr
  • DE640619C - Folding top, especially for motor vehicles : de en
  • FR807245A - Device to protect clothing from rain : en fr
  • FR807311A - Burner for liquid fuels and especially crude oil : en fr
  • GB459269A - Sewing machine : en
  • GB459246A - Improvements in and relating to short wave wireless receiving apparatus : en
  • USD102642S - Design fok a moth preventative : en
  • FR807340A - Incandescent lamp improvements : en fr
  • CA363089A - Liquid nitric ester production : en fr
  • CA363205A - Liquid fuel combustion apparatus : en fr
  • FR807297A - Grid for pharmaceutical tablets : en fr
  • GB459171A - Improvements in or relating to light-polarising devices : en
  • GB459432A - A process for producing titanium steel : en
  • GB459165A - Improvements relating to powder puffs : en
  • CA363185A - Relay : en fr
  • DE640520C - Process for the production of magnetically conductive slot wedges : de en
  • CA363272A - Shoe last : en fr
  • US2067104A - Stalk cutter : en
  • US2066649A - Flexible airplane wing construction : en
  • US2066647A - Enameled joint and method of manufacture : en
  • US2067063A - Heating plant : en
  • CA363245A - Railway vehicle : en fr
  • US2066994A - Antijumper for sliding doors : en
  • USD102612S - Design for a textile fabric : en
  • US2066342A - Camping equipment : en
  • CA363233A - Drier manufacture : en fr
  • CA363247A - Metallic utensil : en fr
  • DE640440C - Method and device for producing a tobacco fleece on a surface running towards the strand channel of the cigarette machine : de en
  • GB459174A - Improvements in and relating to engine speed governors : en
  • US2066520A - Telegraph repeater : en
  • US2067005A - Tilting croquet : en
  • US2067037A - Crossing slab : en
  • DE640524C - Process to prevent crust formation in gas washers : de en
  • CA363258A - Smoke stack painter : en fr
  • US2066987A - Transfer machine : en
  • US2066985A - Water-insoluble azodyestuffs : en
  • DE640566C - Arrangement for the grid circles of vapor or gas discharge paths with arc-shaped discharge : de en
  • GB459448A - Improvements in or relating to track brakes for railways and the like : en
  • CA363100A - Aliphatic anhydride manufacture : en fr
  • US2066533A - Hydrogenation process for producing hydroxy acids and lactones : en
  • USD102618S - Design for a shoe : en
  • CA363127A - Building material : en fr
  • US2066337A - Waterproof box : en
  • DE640543C - Multi-edged razor blade with a marker for the clamping position of the cutting edges : de en
  • US2066612A - Convertible davenport : en
  • CA363117A - Boiler fire box : en fr
  • US2066563A - Camera construction : en
  • US2066884A - Mechanisms for the calculation of functions with several variables : en
  • US2066470A - Jack presser for knitting machines : en
  • US2066861A - Upholstery spring : en
  • US2066404A - Brake valve device : en
  • US2067132A - Solid diazo salts : en
  • US2066741A - Power operated portable tool : en
  • US2067095A - Shoe rack : en
  • US2067145A - Centralized traffic controlling system for railroads : en
  • US2066794A - Drill stem : en
  • USD102602S - Design fob a shoe : en
  • FR807204A - Device for cutting the drop-shaped edge of chocolate hollow bodies : en fr
  • DE640545C - Device for the interference-free reception or transmission of sound waves in the water while driving : de en
  • DE640556C - Process for the preparation of products of hydration of olefins : de en
  • CA363206A - Vehicle folding top : en fr
  • US2066373A - Lockstitch sewing machine : en
  • US2067114A - Push rod assembly : en
  • USD102636S - Design for a bottle : en
  • CA363196A - Phase and frequency modulation : en fr
  • CA363153A - Supervisory control system : en fr
  • USD102664S - X-ray picture display support or : en
  • DE640641C - Device for opening tin cans by means of a rotatably mounted, handleless cutting knife that is moved along the edge fold of the bushing : de en
  • US2066711A - Swing joint : en
  • FR807322A - image screen for cathode ray oscillograph : en fr
  • GB459316A - Improvements in or relating to caps for electric incandescent lamps and the like : en
  • GB459405A - Improvements in or appertaining to cap spindles for use on machines for spinning or twisting yarns or filaments : en
  • CA363275A - Tobacco pipe : en fr
  • FR807089A - Twisted in yarns of the same kind, dyeing distinct tones : en fr
  • FR807131A - Automatic lighter mechanism : en fr
  • DE640582C - Process for the preparation of clusters of optically active or racemic 1-phenyl-2-methylaminopropan-1-ol : de en
  • US2066720A - Preheater and firing mixture gasifier : en
  • FR807273A - Large base rangefinder : en fr
  • FR807185A - Device to increase engine power : en fr
  • US2066442A - Golf club : en
  • US2066454A - Process for the thermal treatment of light metals and light metal alloys : en
  • GB459442A - A process for the extraction of two or more liquid mixtures : en
  • US2066541A - Clamp threaded connection : en
  • FR807329A - Auto-tuning-corrected superheterodyne receiver : en fr
  • DE640489C - Carrier conveyor chain : de en
  • US2066588A - Method and apparatus for electrical etching : en
  • US2066696A - Mounting structure for magnetos : en
  • DE640642C - Feedback circuit diagram : de en
  • GB459441A - Improvements in the manufacture of dis-and trisazo dyestuffs : en
  • GB459416A - Improvements in or relating to hair curlers : en
  • US2067088A - Vehicle ventilating window : en
  • DK52523C - Coffee box with mixing mechanism. : da en
  • GB459197A - Improvements in filing trays : en
  • US2067032A - Tire chain tightener : en
  • FR807251A - Special lubricant for drawing, drawing and stamping of iron, steels and iron alloys in general : en fr
  • FR807266A - Improvements to rotary valves for internal combustion engines : en fr
  • US2066824A - Shoe holder bracket : en
  • US2066996A - Process for manufacturing statues similar to objects : en
  • FR807141A - Automatic, differential and progressive gear change, in constant mesh : en fr
  • GB459345A - Device for trimming moulded hollow chocolate bodies : en
  • CA363156A - Jewel bearing : en fr
  • CA363194A - Imprinting apparatus : en fr
  • FR807163A - Coal tar distillates and processes for their manufacture : en fr
  • GB459282A - Clutch and drive mechanism : en
  • US2066440A - Circular knitting machine : en
  • US2066948A - Liquid dispenser and cooler : en
  • GB459397A - Improvements in electric contact-making switches : en
  • GB459475A - Improvements in controlling and regulating the heating elements of electric kettles and like boiling or cooking apparatus : en
  • DK52517C - Ceiling box for electrical house installations. : da en
  • GB459499A - Improvements in wire band-clips for securing hosepipes and like uses : en
  • US2066596A - Process of making porous separators : en
  • USRE20231E - Mirror frame door : en
  • DE640475C - Planer for wooden strips u. Like. By means of an eccentrically mounted tool : de en
  • CA363282A - Sanitary napkin : en fr
  • US2066620A - Book and method of making same : en
  • US2066982A - Rear vision mirror : en
  • US2067107A - Crankshaft chuck : en
  • US2066333A - Wave amplification and generation : en
  • US2066722A - Internal combustion engine : en
  • US2066802A - Piston : en
  • DE640459C - Box-shaped carbon copy device : de en
  • DE640659C - Machine for treating patent leather : de en
  • US2066482A - Transmission : en
  • US2066742A - Antimony compounds of polyhydroxy carboxylic acids and process of making them : en
  • US2067035A - House car : en
  • USD102646S - Design for a cushion or similar : en
  • US2066643A - Nonsagging brushing lacquer : en
  • FR807284A - Improvements to Liquid Cathode Discharge Devices : en fr
  • GB459660A - Improvements in the manufacture and production of azo dyestuffs : en
  • GB459250A - Improvements in electric discharge devices : en
  • GB459435A - Thermoplastic rubber and method of making the same : en
  • US2066963A - Box and box blank : en
  • DE640670C - Washer for glasses, jugs, etc. like : de en
  • US2066833A - Glow lamp : en
  • US2067022A - Carton : en
  • DE640549C - Procedure for displaying and regulating the filling level of a container : de en
  • GB459462A - The manufacture of organic mercury compounds : en
  • DE640554C - Folder, especially narrow back folder, with swingable folding handle : de en
  • CA363264A - Screw driver : en fr
  • US2066903A - Railway traffic controlling apparatus : en
  • US2066640A - Circuit breaker for spark : en
  • GR6217B - MACHINE USED FOR CHILDREN'S TOY. : el en
  • DK52525C - Brick with Groove for Laying Wires for House Installations. : da en
  • FR807178A - Improvements to towels, cases and other flexible envelopes : en fr
  • FR807285A - Seats, sofas and similar lounge furniture made of wood, for example plywood : en fr
  • GB459387A - Improvements in and relating to packeting granular or pulverulent material, such as medicinal powders : en
  • GB459449A - Improvements in or relating to machines for treating margins of sheet material : en
  • US2066686A - Solvent fractionation : en
  • US2066750A - Card tabulating machine : en
  • USD102615S - Design for a textele fabric : en
  • FR807135A - Improvements to electrical devices for diathermic treatment : en fr
  • GB459247A - Processes and devices for electric arc welding : en
  • DE640541C - Mixture dispenser : de en
  • DE640481C - Crankshaftless two-stroke internal combustion engine : de en
  • GB459518A - Improvements in or relating to coaxial conductor electric cables : en
  • GB459321A - Improvements relating to speed measuring devices : en
  • GB459339A - Improvements in or relating to change-speed gear for bicycles : en
  • FR807068A - Improvements to motor vehicles, especially three-wheel vehicles : en fr
  • GB459204A - Improvements in electrodes for high pressure metallic vapour electric discharge tubes : en
  • GB459385A - Improved method of and apparatus for separating solids from liquids : en
  • DE640688C - Electrically heated hot water storage tank with two heating elements that can be switched on separately and controlled by a common thermostat : de en
  • FR807197A - Automotive chassis suspension : en fr
  • US2066639A - Noncurl corner construction for floor coverings and method of producing same : en
  • US2067027A - Production of sulphur dioxide : en
  • FR807235A - Band filter : en fr
  • DE640653C - Telecommunication circuit with optionally switchable amplifiers and devices for recording audio-frequency signals : de en
  • US2066350A - Control linkage for vehicles : en
  • US2066552A - Motor vehicle : en
  • US2066603A - Means for controlling the charging voltage of storage batteries : en
  • US2066681A - Fireproof building : en
  • US2066914A - Belt buckle or slide : en
  • US2066621A - Feed grinder : en
  • US2067029A - Elimination of poisonous waste liquors : en
  • US2067079A - Distributor lubrication : en
  • US2066636A - Collar stay : en
  • US2066808A - Art of converting hydrocarbon oil : en
  • DE640488C - Illuminated circuit diagram : de en
  • DE640424C - Device for the rapid emptying of fluid containers, especially in aircraft : de en
  • FR807136A - Vehicle for play or learning : en fr
  • GB459248A - Improvements in electric lamps : en
  • DE640450C - Process for embossing lenticular lenticular films : de en
  • DE640491C - Stapler : de en
  • US2066889A - Nonrefillable closure for containers : en
  • US2067051A - Rack : en
  • US2066452A - Method and apparatus for lubricating : en
  • CA363112A - Whip-stitching device : en fr
  • FR807108A - Shoe tree system : en fr
  • DE640597C - Device for cutting fruits, in particular onions, into slices, strips and cubes : de en
  • DE640577C - Dam beam closure for the isolation of water channels or pipe inlets with a built-in rake : de en
  • FR807200A - Improvement in insecticide vapor dosing devices : en fr
  • GB459304A - Improvements in metal casting systems : en
  • US2066628A - Apparatus for enameling articles : en
  • US2066776A - Rotary port for aircraft : en
  • US2066976A - Valve-actuating push-piece : en
  • US2067055A - Device for avoiding nonlinear distortion : en
  • US2067017A - Machine for making bellows bags : en
  • GB459243A - Improvements in and connected with electric immersion heating apparatus : en
  • GB459268A - Improvements in the production of hydrocarbon products by the destructive hydrogenation of solid carbonaceous materials : en
  • DE640638C - Process for sensitizing halogen silver emulsion layers : de en
  • CA363171A - Copper alloy : en fr
  • US2066310A - Display apparatus : en
  • US2066412A - Antiskid and traction device : en
  • CA363104A - Air separator : en fr
  • CA363273A - Rubber article : en fr
  • US2066477A - Progressive stencil device : en
  • US2066906A - Signal and control system for elevators : en
  • FR807338A - Process for the production of chromatable monoazo dyes : en fr
  • DE640617C - Filter arrangement for photographic apparatus : de en
  • GB459658A - Improvements in tuning systems for radio apparatus : en
  • US2066495A - Envelope : en
  • US2066604A - Electric clock : en
  • US2066611A - Selenium cell : en
  • US2066993A - Molding apparatus : en
  • US2066391A - Pay telephone station : en
  • USRE20232E - Track wrench : en
  • DE640498C - Installation switches, in particular rotary switches, with a spark extinguishing chamber : de en
  • GB459279A - Improvements in and relating to mountings for engines in vehicles and the like : en
  • DE640611C - Air cooling for toothed pulley mills : de en
  • GB459223A - Improvements in or relating to lock washers : en
  • DE640395C - Conveyor device, especially for traveling furnaces for the heat treatment of steel : de en
  • DE640444C - Letter folder with a mechanism that can be tilted with its base plate on the back of the folder near one of the back edges : de en
  • DE640548C - Sheet metal roller for belt conveyor : de en
  • DK52513C - Control valve for automatic compressed air brakes. : da en
  • US2066709A - Hair curling and securing device : en
  • DE640629C - Send arrangement to achieve course lines : de en
  • DE640564C - Arrangement for grid control of externally controlled inverters working with grid-controlled vapor or gas discharge paths : de en
  • FR807239A - Film footage indicator for cinematographic devices : en fr
  • GB459299A - Improvements in electric selectors : en
  • GB459328A - Method of rolling sheets and products thereof : en
  • FR807279A - Friction wheel shifting : en fr
  • FR807307A - Device for learning or practicing <on land> the exercise of rowing : en fr
  • FR807161A - Measuring device, in particular for fabrics or the like : en fr
  • US2066556A - Seam ripper : en
  • US2067139A - Shockproof X-ray apparatus : en
  • DK52529C - Mower. : da en
  • US2066834A - Glowlamp : en
  • US2066939A - Separator and spacer for storage battery plates : en
  • US2066913A - Apparatus for removing foreign material from air : en
  • CA363155A - Apparatus for testing projection lamps : en fr
  • FR807121A - Improvements made to the arms of armed glasses : en fr
  • CA363123A - Shingle roof : en fr
  • US2067076A - Method of controlling grain structure in alloys and articles produced thereby : en
  • US2066493A - Detachable sweat band : en
  • US2066326A - Turret gun mount : en
  • FR807111A - Process for manufacturing urea and formaldehyde-based varnish and product obtained : en fr
  • US2066341A - Method of decorating composition materials : en
  • US2066354A - Lubricating oil : en
  • US2066748A - Printing mechanism for tabulating machines : en
  • US2066752A - Rubber covered roll and method of making the same : en
  • CA363183A - Railway traffic controlling system : en fr
  • US2066411A - Method and apparatus for determining thread thickness : en
  • US2066695A - Joint : en
  • US2066773A - Drain and flushing apparatus : en
  • US2066988A - Method of making cork insulation : en
  • US2066997A - Tamping implement : en
  • CA363211A - Non-ferrous pipe fitting : en fr
  • USD102634S - Design for a motor vehicle marker : en
  • DE640607C - Ground rope for bottom trawls : de en
  • US2066559A - Destruction of color-generating substance in rubber latex : en
  • US2066986A - Water-insoluble azodyestuffs : en
  • CA363238A - Electric forging apparatus : en fr
  • DE640429C - Switching device for change gears with optionally to be coupled gear parts, especially of motor vehicles : de en
  • US2066744A - Automatic train control : en
  • CA363236A - Grinding wheel : en fr
  • DE640453C - Process for the production of elastic woven, braided, knitted or similar goods and rubber threads for the practice of the process : de en
  • CA363283A - Zinc spelter skimming value recovery : en fr
  • CA363216A - Fire extinguishing system : en fr
  • US2067020A - Expanded rubber : en
  • FR807187A - Improvements to propeller blades and the like : en fr
  • US2066581A - Tuning apparatus : en
  • US2066728A - Feinting sound record : en
  • US2066807A - Coffeepot : en
  • US2066929A - Welding apparatus : en
  • FR807193A - Improvements in servo motors for control of drawers : en fr
  • GB459300A - Improvements in or relating to radio receivers : en
  • DE640449C - warehouse : de en
  • CA363097A - Volatile compound : en fr
  • DE640393C - Device for placing the bottom paper bag in a stack of paper bags on rotary transfer printing machines : de en
  • GB459404A - Improvements in or relating to photographic cameras combined with self-contained base telemeters : en
  • FR807318A - Method for producing a carrier frequency : en fr
  • GB459190A - Improvements in or relating to dentists' or like drills : en
  • DE640451C - Cantilever taxiway for aircraft : de en
  • US2066316A - Machine for applying an intermediate strip and base to pile fabrics : en
  • US2066353A - Waterless gasholder : en
  • US2066704A - Production of coke and gas in chamber ovens : en
  • US2067151A - Centralized traffic controlling system for railroads : en
  • CA363252A - Refractory : en fr
  • US2066734A - Decorative building material and method of making the same : en
  • FR807349A - Device for therapeutic treatment using high frequency alternating fields, in particular using short waves : en fr
  • US2066943A - Regulating system : en
  • DE640636C - Process for protecting pipelines for gases, liquids, etc. Like. Against external influences : de en
  • DE640252C - Die rail for perforating devices : de en
  • DE640477C - Monocular rangefinder : de en
  • US2066395A - Brake drum : en
  • GB459360A - Processes of making thermoplastic moulding compositions containing rubber : en
  • FR807343A - Lighters improvements : en fr
  • FR807059A - Continuous wave emission process : en fr
  • FR807098A - New construction elements and method for the implementation of these elements : en fr
  • DE640668C - Parachute : de en
  • GB459411A - Improvements in and relating to belt and conveyor connecting hooks : en
  • DE640535C - Cooling device for vehicle wheels : de en
  • US2066918A - Light-sensitive material and a proc : en
  • GB459505A - Improvements in screw propellers and the like : en
  • GB459309A - Improvements in the manufacture and production of quaternary ammonium bases : en
  • GB459173A - Improvements in or relating to running boards : en
  • DE640452C - Resiliently mounted grinding wheel secured against tilting in relation to the shaft : de en
  • GB459322A - Improvements in or relating to two-motion switches such as are used in telephone systems : en
  • US2066756A - Conveyer : en
  • US2066849A - Combined napkin and destructible folding basket : en
  • US2066345A - Automatic temperature regulator : en
  • USD102601S - Design fob a shoe : en
  • US2067056A - Oil still : en
  • CA363241A - Tool for dressing grinding-wheels : en fr
  • DE640565C - Switching arrangement for the grid control of vapor or gas discharge paths : de en
  • FR807086A - Measuring device for checking the bores of long cavities, in particular gun barrels : en fr
  • GB459274A - Improvements in and relating to the valves of internal combustion engines : en
  • GB603774A - Improvements in and relating to cartridge belt feed mechanism for machine guns : en
  • FR807228A - Device for light signaling on automobiles : en fr
  • GB459184A - Improvements in or relating to brakes for baby carriages or other wheeled structures : en
  • GB459253A - Improvements in half-mortice or flush locks and latches : en
  • US2067050A - Dewaxing hydrocarbon oil : en
  • DE640407C - Container with device for dispensing a certain number of pills, tablets or similar objects : de en
  • US2067043A - Vacuum crystallizer and method of crystallizing : en
  • US2067097A - Liquid fuel burner and hearth : en
  • US2066323A - Electric cable system : en
  • DE649529C - Metal packing : de en
  • FR807342A - Apparatus for stirring and mixing liquid, powder and gas : en fr
  • GB459206A - Improvements in or relating to rotatable air ventilating screw propellers : en
  • GB459371A - Improvements in or relating to disc and like closures for tin boxes, cans and like containers : en
  • GB459497A - Improvements relating to the manufacture of tipped cigarettes : en
  • FR807272A - Electric automatic gearboxes : en fr
  • DE640692C - Measuring tool for measuring the distance between two intersecting holes : de en
  • DE640590C - Display device for fuse cartridges : de en
  • US2067041A - Engine cooling means : en
  • GB459164A - Improvements in the manufacture of artificial filaments, ribbons and the like : en
  • DE640546C - Device for the production of a cohesive tape from staple fiber sections : de en
  • FR807254A - Internal combustion engine with separate combustion chamber : en fr
  • GB459203A - Improvements relating to free-wheel clutches : en
  • GB459471A - Improvements in the recovery of hydrocarbons from gases containing the same : en
  • FR807148A - Device for measuring the carbonic acid released during the fermentation of the dough : en fr
  • FR807345A - Capacitor : en fr
  • DE640691C - Sheet metal, wire, ribbon cores or Krarup windings : de en
  • GB459297A - Improvements in or relating to rotary land cultivators or tilling machines : en
  • GB459241A - Improvements in and relating to booking or stripping and booking machines for tobacco leaves : en
  • GB459386A - Improvements in or relating to means for supplying or spraying dust or fine powder, for example, to machines or apparatus : en
  • DE640409C - Machine for destoning cherries and other stone fruits : de en
  • DE640525C - Ember attachment, especially for flat block molds : de en
  • DE640571C - Installation on milling machines with control by a lever : de en
  • US2066962A - Shaft for golf clubs or the like : en
  • US2067084A - Control apparatus for engine starters : en
  • FR807196A - Compressed air distributor : en fr
  • CA363116A - Refrigerator : en fr
  • FR807072A - Asymmetric conductivity electrode system : en fr
  • US2066534A - Holder for cosmetics or the like : en
  • US2066707A - Acid wool dyestuffs of the anthraquinone series : en
  • US2067098A - Electrical signaling system : en
  • US2066402A - Electrical system : en
  • US2066814A - Fastening device : en
  • GB459234A - Method of producing films in natural color : en
  • GB459516A - Improvements in and relating to cardboard and like boxes : en
  • DE640496C - Reflector system for radiators of essentially linear extent : de en
  • US2066793A - Filter : en
  • CA363188A - Printing machine plate clamp : en fr
  • DE640458C - Switching device for the die hopper of die setting and line casting machines connected to form a rotatable whole : de en
  • GB459374A - Improvements in or relating to electrical resistances and heater elements : en
  • GB459153A - Improvements in or relating to speed governors for injection internal combustion engines : en
  • FR807151A - Terrestrial induction amplifier compass : en fr
  • US2066904A - Thermal protective system : en
  • DE640471C - Process and circular knitting machines for separating individual pieces of a rope : de en
  • US2066832A - Humidifying and temperature control apparatus for citrus fruit storages and like structures : en
  • US2066874A - Antenna : en
  • US2066405A - Coil mounting : en
  • US2066698A - simpson : en
  • US2067052A - Carbureted water gas process : en
  • USD102641S - Design foe a receptacle foe ciga : en
  • CA363184A - Relay : en fr
  • US2066599A - Ankle joint for artificial limbs : en
  • DE640469C - Electric vehicle headlights : de en
  • US2066384A - Nautical angle-measuring and drawing instrument : en
  • US2066469A - Punchboard : en
  • CA363101A - Yarn manufacture, etc. : en fr
  • FR807183A - Improvements to the methods used to obtain color projections and stereoscopic projections : en fr
  • DE640682C - Holder for carbon paper : de en
  • FR807190A - Frame or frame for doors, windows or the like : en fr
  • DE640514C - Tipping device for dump truck : de en
  • US2066321A - Electric cable system : en
  • US2066331A - Chemical products and processes for producing same : en
  • US2066618A - Gummed tape dispensing means : en
  • US2067002A - Process for the manufacture of concentrated products : en
  • CA363221A - Combined heating and cooling system and apparatus : en fr
  • US2066855A - Saddle girth : en
  • DE640470C - Firing with a device for flue gas dedusting and combustion that closes the fire chamber : de en
  • US2066329A - Chemical products and processes for producing same : en
  • US2066787A - System of operation of translating mechanisms : en
  • US2066584A - Process of the stabilization of cellulose esters : en
  • US2066700A - Measuring mechanism : en
  • US2066941A - Insecticide and process for making the same : en
  • US2066532A - Loom : en
  • US2067162A - Process and apparatus for dewaxing oil : en
  • US2066522A - Protective system and method : en
  • US2066349A - Apparatus for broadcasting time signals : en
  • US2066629A - Pulpstone : en
  • US2066653A - Humidifier : en
  • US2066872A - Control system for strip mills and the like : en
  • US2067133A - Flue baffle for heating apparatus : en
  • US2066608A - Typewriter desk : en
  • US2066668A - Method of heating electrically conducting bodies for industrial operations : en
  • FR807325A - Foam fire extinguisher : en fr
  • GB459347A - Apparatus for flushing cavities in the body : en
  • GB459380A - Improvements in the construction or arrangement of paddles for use in the propulsion of water craft and other purposes : en
  • CA363286A - Distributing apparatus : en fr
  • DE640630C - Thermoplastic rubber-containing insulating material for electrical cables : de en
  • US2066490A - Switch : en
  • US2066854A - Knicker turn-up spreader : en
  • US2066548A - Kaleidoscope : en
  • US2066434A - Telephone signal device : en
  • US2066835A - Rheostat : en
  • DE640574C - Torsion bar spring for the suspension of the vehicle frame, especially of motor vehicles : de en
  • GB459400A - Scanning means and method : en
  • GB459399A - Improved construction of gate-change bracket for operating lever and bowden or the like cable : en
  • FR807292A - Vehicle driven by fluid expansion : en fr
  • GB459194A - Improvements in or relating to machines or apparatus for drying and/or conditioning textile articles and fabrics : en
  • DE640632C - Device for the automatic charging of accumulator batteries with the help of grid-controlled steam or gas discharge lines : de en
  • DE640433C - Seat, especially for motor vehicles : de en
  • GB459259A - Improvements in exposure regulating means for cameras : en
  • FR807206A - Dyestuff dequaternization process : en fr
  • GB459135A - Improvements relating to spinning mules : en
  • GB459354A - A pendulum with a shock absorber for use in connection with torpedoes : en
  • US2066386A - Distillation product : en
  • USD102603S - Design for a shoe : en
  • GB459392A - Improved rubber composition : en
  • GB459292A - Electric arc cutting machine : en
  • GB459353A - Improvements in and relating to the manufacture of artificial silk : en
  • DE640460C - Rail current closer for wheel flange actuation : de en
  • DE640495C - Switching arrangement for telephone systems : de en
  • DE640588C - Number switch for self-connecting telephones with locking device : de en
  • DE640662C - Space-enclosing component made of longitudinal beams and self-supporting plates made of sheet metal between them : de en
  • GB459258A - Improvements in and relating to electric capacitance devices : en
  • US2066435A - Image-forming system : en
  • US2067046A - Toxic agent and its application to fibrous products : en
  • FR807302A - Cast iron alloy for the manufacture of wear-resistant parts subjected to high pressure and impact forces, in particular rolling mill rolls : en fr
  • GB459364A - Removable accommodating joint structure for doll-head bearings of drying cylinders : en
  • US2066614A - Relay circuit : en
  • US2066826A - Brake for toy vehicles : en
  • US2066892A - Manufacture of citric acid : en
  • US2067040A - Method of manufacturing pens : en
  • USPP217P - Hybrid poplar : en
  • FR807058A - Advanced process for treating grass : en fr
  • FR807195A - Method and apparatus for the treatment of parasitized semolina and tapiocas : en fr
  • GB459394A - Improvements in or relating to means for coupling a trailer caravan or the like to a road vehicle : en
  • GB459307A - Improvements in means and methods for the production of pictures, designs and the like by shadow effects : en
  • US2066864A - Farming apparatus : en
  • GB459188A - Improvements in or relating to stair-rod retaining means : en
  • DE640540C - Handle fastening, especially for handlebars on bicycles : de en
  • FR807229A - Advanced process for making cast iron : en fr
  • USD102654S - Design for a carton or similar : en
  • DE640398C - Device to compensate for the tensile stresses when stranding more than two telecommunication cores or groups of cores at the same time without turning back : de en
  • FR807309A - Road stabilizer for vehicles : en fr
  • GB459440A - Improvements in or relating to bayonet type electric lampholders : en
  • CA363179A - Hydrocarbon oil processing : en fr
  • FR807252A - Process for extracting hydrocarbon mixtures : en fr
  • US2067083A - Bale cutting machine : en
  • US2067122A - Shaking conveyer : en
  • CA363227A - Cellulose derivative material colouring method : en fr
  • FR807304A - Shaft coupling engaged by the action of a pressurized liquid : en fr
  • FR807179A - Process, basin and apparatus for forming an ice sheet by means of a refrigerant liquid : en fr
  • GB459373A - Appliances for playing an improved game : en
  • GB459196A - Improvements in and relating to photographic cameras : en
  • GB459414A - Winding machines for yarns and threads : en
  • IE14327L - Manufacture of driving piles : en
  • DE640500C - Protection device for parallel lines : de en
  • FR807087A - Safety razor enhancements : en fr
  • FR807100A - Perforating projectiles improvements : en fr
  • FR807211A - Improvements to internal combustion hammers : en fr
  • GB459714A - Improvements in cinematographic apparatus combined with apparatus for recording sound and physiological phenomena : en
  • FR807057A - Friction wheel transmission mechanism, especially for machine tools : en fr
  • FR807107A - Cam for ignition distributor : en fr
  • GB459238A - A method of manufacture of precipitated zinc oxide or other metallic oxides : en
  • GB459389A - Improvements in and relating to electric inductances : en
  • GB459172A - Improvements in annealing furnaces : en
  • GB459251A - Improvements in or relating to circuits containing thermionic and like amplifiers : en
  • DE640640C - Device for generating flash light in a gas-filled lamp : de en
  • DK52524C - Device for Protective Bags for Garments. : da en
  • GB459528A - Indicating device for liquid-filled electrical apparatus : en
  • GB459407A - Improvements in and relating to snap fasteners : en
  • DE640515C - Current recovery protection for electrically operated vehicles : de en
  • FR807308A - Bed warmer : en fr
  • DE640499C - Device to prevent pumping of remote controlled electrical switches : de en
  • US2066578A - Wearing shoe : en
  • US2066771A - Indirect lighting fixture : en
  • US2066858A - Tiltable window ventilator : en
  • US2066946A - Deodorizing and sterilizing bandage : en
  • US2066476A - Self-heating utensil : en
  • DE640538C - Alternator drive : de en
  • FR807051A - New monoazo dyes : en fr
  • US2066671A - Roller bit : en
  • US2066796A - Flush valve : en
  • US2066780A - Apparatus for and method of coating fabrics : en
  • FR807091A - Improvements to offset connecting rod motors : en fr
  • GB459424A - Improvements in the construction of swimming suits : en
  • FR807125A - Process for the preparation of 5. 5-cyclohexenyl-alkyl-hydantoins : en fr
  • GB459311A - Coke oven gas by-product recovery : en
  • GB459510A - Improvements in and relating to grinding or abrading machines : en
  • GB459363A - Improvements in and relating to toy boats : en
  • US2066648A - Fire extinguisher : en
  • US2066687A - Carbon transfer ribbon : en
  • US2066900A - Antenna : en
  • GB459271A - Improvements in thermal electric switches : en
  • GB459464A - Vulcanisable compositions of rubber and the like and their preparation : en
  • GB459334A - Manufacture of coloured masses from cellulose derivatives, natural or artificial resins or waxes : en
  • DE640446C - Device for the operation of a partially grid-controlled, metal-vapor or gas-filled discharge vessel with arc discharge temporarily working as a rectifier or as an inverter : de en
  • US2066667A - Carburetor control mechanism : en
  • US2066927A - Drilling apparatus : en
  • DE640435C - Door lock, especially dead bolt lock : de en
  • DE640624C - Articulated doll, whose joint balls are resiliently pressed against the ball sockets attached to the doll's body : de en
  • US2066684A - Lock nut : en
  • DE640560C - Circuit for automatic starting and regenerative braking of DC motors : de en
  • FR807119A - Product for the preservative impregnation of wood : en fr
  • GB459366A - Improvements in and relating to welding rods : en
  • CA363175A - Resin from petroleum hydrocarbons : en fr
  • FR807110A - Improvement in propellers and rotary wings : en fr
  • GB459325A - Flexible transmission couplings : en
  • IE14198L - Electrical tubular heaters : en
  • GB459187A - Improved humane rabbit trap : en
  • US2067109A - Elastic coupling between an air screw hub and a co-axial driving shaft : en
  • US2066587A - Egg tray : en
  • US2066455A - Protected switch operating system : en
  • US2067108A - Auger circulating pump : en
  • FR807085A - Photoelectric light meter : en fr
  • FR807133A - Starting device for internal combustion engines : en fr
  • FR807083A - Device for measuring and recording the specific consumption of combustion engines operating mainly on liquid fuel : en fr
  • US2066504A - Coaster brake : en
  • US2066544A - Variable throat for fluid passages : en
  • DE641013C - Railway barrier with an articulated lamp attached to the barrier : de en
  • GB459455A - Improvements in or relating to tool holders : en
  • FR807067A - Grain cleaning machine with several discoid brushes arranged on a tree : en fr
  • FR807192A - Improvements to metal slide closures : en fr
  • CA363163A - Television receiving system : en fr
  • CA363220A - Injector : en fr
  • SE88257C1 - LIGHTING DEVICE : en sv
  • US2066950A - Trivalent polymetallo aryl compounds and the process of making them : en
  • CA363210A - Short wave converter : en fr
  • CA363251A - Screw locking means : en fr
  • DE640426C - Braking device for slide : de en
  • DE640537C - Valve extensions for two- and multi-chamber hoses : de en
  • FR807066A - Exhaust casing for steam or gas turbines : en fr
  • FR807117A - Advanced training in portable lamps and lighters : en fr
  • US2066497A - Art of decorating glass : en
  • US2066375A - Aircraft and the control thereof : en
  • US2067087A - Vehicle ventilating window : en
  • DE594345C - Photographic camera with rotary wedge rangefinder : de en
  • FR807202A - Improvements to float gauges : en fr
  • GB459352A - A device for extinguishing lighted cigarettes or cigars : en
  • FR807078A - Ventilation mechanism for window winders : en fr
  • US2066924A - Regulator control system : en
  • US2066984A - Scaffold : en
  • GB459390A - Improvements in electric resistance alloys : en
  • GB459395A - Improvements in hinged tail boards for vehicle bodies : en
  • US2066467A - Muffler : en
  • US2066699A - Carrier for indicating gauges : en
  • US2066702A - Automatic sheet measuring and sorting device : en
  • DE640497C - Method of making telephone cables : de en
  • DE640511C - Drive for rail vehicles : de en
  • DK52535C - Device for Loading or for Automobiles. : da en
  • GB459479A - Improvements in machines for cutting and lifting turfs : en
  • US2066448A - Starting gate with self-aligning spiked stall partitions : en
  • US2066542A - Heteropolar compounds and method : en
  • US2066736A - Portable rotary adjustable seesaw : en
  • US2067123A - Turbine pump head : en
  • DE640428C - Self-acting coupling device with a locking element adjustable by centrifugal force for connecting coaxial shafts in a gear change transmission, especially for motor vehicles : de en
  • FR807262A - Enhancements to pulverized solid fuel internal combustion engines : en fr
  • DE640544C - Motor siren in which the housing containing the siren is hermetically sealed by a membrane : de en
  • US2066315A - Tank safety valve : en
  • US2066475A - Protective sheathing or covering for pipes and method of applying same : en
  • US2066732A - Film clip : en
  • US2066409A - Perforator : en
  • US2067038A - Presser-lifter actuating device for sewing machines : en
  • US2066942A - Electrical measuring instrument : en
  • USD102624S - Unitfd statfs patfnt officf : en
  • US2066947A - Collapsible tube : en
  • GR6215B - DRAWING PLACE WITH AUTOMATICALLY FOR PARALLEL LINE OPERATING RULE AND WITH MECHANISM LIFTING THE TABLE OF SLOPE. : el en
  • FR807280A - Process for cleaning materials : en fr
  • FR807155A - Compositions derived from coal tar and chlorides of higher fatty acids and process for their manufacture : en fr
  • FR807288A - Improvements to devices for fixing the propeller blades to their hub : en fr
  • CA363126A - Building element : en fr
  • US2066887A - Card holder : en
  • CA363151A - Glass shaping apparatus : en fr
  • DE640584C - Porous relaxation body : de en
  • FR807074A - Electro-hydraulic forging press : en fr
  • GB459406A - Improvements in or relating to flotation separation apparatus : en
  • CA363215A - Stranding machine : en fr
  • US2067154A - Apparatus for treating footballs, basketballs, or like inflatable balls : en
  • GB459157A - Improvements relating to the lubrication of twisting spindles used in yarn and like winding machinery : en
  • US2066856A - Stem for electron discharge devices : en
  • CA363292A - Engine valve : en fr
  • US2066769A - Apparatus for packaging articles : en
  • US2066831A - Comb adjusting mechanism for feeders : en
  • US2067146A - Stop mechanism for knitting machines : en
  • US2066591A - Self-standing cut-out : en
  • US2066549A - Light sign device : en
  • DE640657C - Electrically heated roasting and oven : de en
  • CA363099A - Aliphatic anhydride manufacture : en fr
  • US2066355A - Waterless gasholder : en
  • US2066481A - Metal closure : en
  • US2066558A - Door construction : en
  • US2066415A - Web regulating mechanism : en
  • US2067086A - Brake lining device : en
  • US2066650A - Pipe testing plug : en
  • US2066733A - Door for poultry trap nests : en
  • DE640623C - Lifting device for shelter doors : de en
  • DE640513C - Car bodies, especially for railroad cars and buses : de en
  • CA363291A - Pin hole grinder : en fr
  • US2066546A - Foam fire extinguisher : en
  • CA363262A - Steam trap : en fr
  • CA363290A - Thermostatic device : en fr
  • US2066819A - Aircraft engine synchronizing system : en
  • CA363228A - Refrigerator defrosting apparatus : en fr
  • GB459778A - Conditioning of freshly quarried clay : en
  • DE640567C - Dry plate rectifier : de en
  • DE640666C - Process for the production of multilayer paper : de en
  • CA363115A - Electric heater : en fr
  • US2066866A - Continuous flow conveyer : en
  • DE640583C - Pipe element for steam superheater heated by irradiation in the furnace : de en
  • GB459281A - Improved gauging devices for operations such as shearing upon sheets or strips : en
  • GB459368A - Improvements in or relating to sewing machines and needles therefor : en
  • GB459579A - Improvements in or relating to electric signalling or controlling systems : en
  • US2066510A - Electric hand lantern : en
  • US2067003A - Automobile auxiliary windshield : en
  • US2066473A - Conduit for flexible shafts : en
  • US2066779A - Hauling drum : en
  • FR807077A - Letter card : en fr
  • GB459326A - Improvements relating to wind velocity indicators : en
  • GB459192A - Improvements relating to combined heating and lighting electric fittings : en
  • GB459365A - Improvements in and relating to power plant : en
  • GB459453A - Process for the manufacture of condensation products containing nitrogen : en
  • FR807241A - Plate intended to be applied to the surface of a door, cabinet or other : en fr
  • GB459185A - Improvements in or relating to sprouting or spritting boxes for potatoes and the like : en
  • FR807124A - Improvement in heat engines with interchangeable cylinders : en fr
  • FR807140A - Harness collar : en fr
  • US2066545A - Rug making : en
  • US2066634A - Explosive container : en
  • CA363274A - Necktie : en fr
  • US2067116A - Train control : en
  • US2067094A - Display device : en
  • USD102648S - Design for a v-type marquee : en
  • US2066951A - Hydroquinone manufacture : en
  • US2067091A - Figure toy : en
  • CA363090A - Cooling device for liquids : en fr
  • US2066725A - Life buoy belt : en
  • CA363299A - Bandit alarm : en fr
  • DE640634C - Shake-free fuse in the form of a tube with a transparent cover : de en
  • AU100085B2 - Improvements in or relating to Kerr cells : en
  • US2066829A - Applicator for applying wax, varnish, polish, and the like : en
  • US2066590A - Vehicle ventilating wing : en
  • US2066528A - Synchronous control of oscillators : en
  • DE640493C - Process for the production of benzene and toluene : de en
  • GB459312A - Improvements in and relating to the covering of wood with resistant coatings : en
  • DE640675C - Track system for toy trains : de en
  • FR807194A - Manufacturing process for improved color lacquers : en fr
  • US2066663A - Storage battery grid : en
  • US2066693A - Conversion of hydrocarbon oils : en
  • US2067110A - Superheating induction furnace : en
  • US2066466A - Endorsing machine : en
  • US2066785A - Self-computing leveling rod : en
  • US2067066A - Coated material : en
  • US2067075A - Variable shear hair clipper : en
  • GB459375A - Improvements in and relating to metering systems in telephone installations : en
  • US2066657A - Shingle : en
  • US2066860A - Pump and injector nozzle for diesel engines : en
  • US2066991A - Manufacturing paper tubes and pipes and the like : en
  • US2066439A - Landing net : en
  • DE640502C - Machine tool with hydraulic feed brought about by a pump gear : de en
  • US2066325A - Transmission control in two-way signaling system : en
  • US2066840A - Spinner head : en
  • US2066521A - Centrifugal casting machine : en
  • USD102667S - Design fob an electric fan casing : en
  • US2066656A - Floor for ice skating rinks : en
  • CA363243A - Engine control system : en fr
  • US2066800A - Shaving head for razors : en
  • CA363165A - Circuit control and metering system : en fr
  • US2066378A - Stand for display trays and the like : en
  • CA363133A - Automobile door and body : en fr
  • USD102623S - Design for a clock : en
  • CA363167A - Glass-to-metal seal : en fr
  • US2066557A - Motor vehicle seat : en
  • US2066496A - Hydrogenation and dehydrogenation : en
  • US2067069A - Suspender slide : en
  • US2066876A - Wiring system for electrical apparatus : en
  • DE639571C - Electron tubes with a glow cathode and five or more additional electrodes : de en
  • US2066619A - Selective-length tape dispenser : en
  • US2066660A - Refrigeration : en
  • US2066923A - Manifold system for multicylinder internal combustion engines : en
  • US2066585A - Spring tester : en
  • US2066646A - Hanger bracket : en
  • GB459276A - Improvements in and relating to winches : en
  • US2066601A - Valve grinding apparatus : en
  • US2067071A - Battle board tennis game : en
  • USD102613S - Design for a textile fabric : en
  • US2067128A - Dewaxing mineral oils : en
  • GB459195A - Improvements in or relating to platform weighing machines : en
  • GB459327A - Improvements in and relating to suppositories : en
  • GB459507A - Improvements in or relating to machines for operating upon skins : en
  • US2066718A - Enclosure bulkhead : en
  • US2066358A - Gas pressure maintaining device : en
  • AU401846B2 - Fabrication process for nonwoven textile products as well as the textile products thus fabricated : en
  • US2066385A - Manufacture of artificial silk : en
  • US2066895A - Water-soluble seed disinfectant : en
  • USRE20229E - Spindle : en
  • DE640381C - Side hammer for knocking machines : de en
  • CA363124A - Roofing element : en fr
  • CA363254A - Furnace for treating vermiculite : en fr
  • DE640592C - Equipment for the load-dependent heating of glow cathode tubes : de en
  • US2066795A - Door check : en
  • US2066841A - Elevator signaling system : en
  • US2066413A - Control apparatus : en
  • US2066868A - Dispensing unit : en
  • US2067048A - Thermionic amplifier : en
  • US2066654A - Handcuff : en
  • CA363098A - Organic compound : en fr
  • DE640585C - Mobile work equipment, especially for compacting soil : de en
  • FR807115A - Hair dryer enhancements : en fr
  • CA363187A - Separating apparatus : en fr
  • US2066512A - Alloy : en
  • USPP211P - Hybrid poplar : en
  • USD102663S - Design for a spoked wheel : en
  • US2066875A - Band pass amplifier coupling : en
  • US2066764A - Tabulating machine : en
  • US2066893A - Trailer hitch and brake : en
  • US2067031A - Instrument for insertion into constricted body cavities : en
  • US2066374A - Basket : en
  • US2067140A - Torsion impact testing apparatus : en
  • DE640660C - Device for chopping vegetables, meals and like : de en
  • DE640479C - Smooth roller that can be converted into a spiked or bar roller : de en
  • FR807114A - Improvements to meters and other measuring or counting devices : en fr
  • US2066822A - Rack : en
  • CA363160A - Pressed wood product : en fr
  • US2066749A - Utensil : en
  • USD102661S - Design for a vehicle wheel : en
  • US2066347A - Production of nickel by electrolytic deposition from nickel salt solutions : en
  • US2066685A - Process of recovering sulphuric acid from separated sludge acid : en
  • US2066762A - Scale : en
  • US2066523A - Valve structure : en
  • GB459305A - Improvements in engine starting mechanism : en
  • US2066679A - Printing-apparatus for lenticulated films : en
  • US2066485A - Packing carton : en
  • US2067105A - Tank cleaning device : en
  • US2066953A - Fertilizer distributor : en
  • US2066343A - Electromagnetic machine : en
  • DK52519C - Discharge tubes for generating ultra-high frequency electric oscillations without external feedback. : da en
  • CA363235A - Fluid delivery recorder : en fr
  • CA363169A - Electrical insulation : en fr
  • FR807053A - Machine for the automatic manufacture of supports for tubular incandescent electric lamps : en fr
  • FR807348A - Arrangement and mounting of wheels, especially for electrically powered vehicles, such as trolley buses or the like : en fr
  • DE624684C - Procedure for suppressing the basic noise when showing sound films : de en
  • GB459302A - Improvements in or relating to electrical impulse generators : en
  • CA363217A - Filter : en fr
  • DE640485C - Child seat for motor vehicles : de en
  • US2066979A - Tabulator mechanism : en
  • FR807149A - Electric cable with rigid insulating spacers : en fr
  • GB459200A - Process for the production of glass bodies, particularly glass shells, with an indrawn rim : en
  • GB459341A - Improvements in or relating to change speed gear for power driven vehicles : en
  • DE640591C - Device for determining the ignition point of electrostatically controlled arc discharges : de en
  • CA363197A - Diesel motor rail guided vehicle : en fr
  • CA363297A - Glass grinding machine : en fr
  • FR807271A - Toothpaste and its manufacturing process : en fr
  • US2066845A - Knitting machine : en
  • US2066970A - Controlled carrier wave system for signaling : en
  • CA363161A - Cellulosic product : en fr
  • US2066592A - Method of lining pipes : en
  • US2066675A - Storage battery : en
  • US2066898A - Photographic booth and camera arrangement : en
  • CA363159A - Electric power transmission and distribution : en fr
  • GB459483A - Improvements in or relating to change speed chain gearings for cycles : en
  • US2066527A - Gear shifting apparatus : en
  • US2066992A - Holder for pencils and the like : en
  • DE640438C - Display device : de en
  • DE640633C - Device to prevent a switch from closing if the associated line section is not faultless : de en
  • US2066775A - Pipe fitting : en
  • FR807094A - Automatically controlled valve : en fr
  • DE640665C - Display device with an endless advertising tape connected to a paper dispenser : de en
  • CA363269A - Wire connector : en fr
  • FR807168A - Manufacturing process for hollow glass articles : en fr
  • FR807236A - Process for the production of steel conveyor belts : en fr
  • GB459295A - Improvements relating to ignition magnetos : en
  • GB459161A - Improvements in and relating to mercury vapour rectifiers or similar electrical discharge apparatus : en
  • GB459186A - Improvements relating to weft inserting and beating-up mechanism of looms for weaving : en
  • FR807232A - Manufacturing process for steel bushes in general : en fr
  • US2066933A - Process for treating sludges : en
  • FR807182A - Installation for high-frequency telecommunications with intermediate amplifier : en fr
  • CA363136A - Electric snap switch : en fr
  • GB459381A - Improvements in and relating to pruning and like shears : en
  • GB459420A - A process for the preparation of steel picklings inhibitors : en
  • GB459182A - Improvements in hurdles : en
  • GB459379A - Improvements in or relating to measuring instruments for use of tailors and to the method for drawing garment patterns : en
  • CA363289A - Engine valve mechanism : en fr
  • GB459177A - Improvements in or relating to television or like systems : en
  • GB459191A - Improvements in or relating to the mounting of auxiliary shafts of internal combustion engines : en
  • GB459466A - Improvements relating to jigging screens, jigging tables and jigging conveyors : en
  • FR807054A - Atmospheric oxygen positive electrode : en fr
  • FR807176A - Improvements to electronic discharge devices intended to be used for example in television : en fr
  • FR807306A - Riveting anvil with oblique pile surface for progressive riveting : en fr
  • GB459490A - Improvements in or relating to carburettors for internal combustion engines : en
  • GB603773A - Improvements in and relating to cartridge belt feed mechanism for machine guns : en
  • FR807079A - Improvements in the reception of high-frequency signals : en fr
  • GB459317A - Improvements in or relating to electrical circuit arrangements : en
  • FR807142A - Apparatus for printing a back and forth motion at a paper or board machine making table : en fr
  • FR807240A - Improvements to motion picture devices using film magazines : en fr
  • FR807314A - Metal box body : en fr
  • GB459319A - Improvements in electric resistance alloys : en
  • GB459369A - Improvements in or relating to high tension electric switches : en
  • FR807071A - Manufacturing process for light plates or panels : en fr
  • FR807139A - Photoelectric detector for traffic control systems : en fr
  • US2067126A - Carton for radio tubes : en
  • FR807268A - Removable heel enhancements made of rubber or similar substance : en fr
  • DE640656C - Contact element for tube base, in particular radio tube base : de en
  • GB459433A - Improved distant pneumatic brake controlling means for well drilling plant : en
  • GB459291A - Improvements in electrical arrangement for controlling incandescent lamp screens adapted to reproduce pictures : en
  • US2066417A - Fish-boning device : en
  • FR807300A - Process for softening natural water : en fr
  • FR807063A - Improvements to ice buckets : en fr
  • GB459306A - Improvements in weighing scales : en
  • GB459230A - Rotary pump or motor : en
  • US2066518A - Timepiece : en
  • DE640420C - Tool carrier for vertical wheel tire lathes : de en
  • DE640616C - Small reflex camera : de en
  • CA363225A - Insecticide applicator : en fr
  • DE640644C - Sock holder : de en
  • GB459446A - Apparatus for carrying out welding or coating of metals and chemical reactions electrically : en
  • US2066363A - Resinous compositions : en
  • FR807081A - Improvements to processes and apparatus for printing and drying ink : en fr
  • FR822857A - Electric wave transmission systems : en fr
  • DE640432C - Roof for motor vehicles : de en
  • US2066778A - Method of settling inorganic mineral slimes : en
  • DE640343C - Machine for dressing fish, especially for removing the so-called fillets from the skeleton of the fish's body : de en
  • FR822838A - Wire or wire strand : en fr
  • DK52527C - Procedure for the preparation of compounds of a hydrogen halide and butadiene or a butadiene derivative. : da en
  • FR807205A - Containers with a protective coating of a material resistant to chemical actions : en fr
  • FR807278A - Machine for the continuous grinding of pulp and the like : en fr
  • US2066388A - Construction of metal girders : en
  • GB459428A - Improvements in or relating to fittings for securing and supporting shelves or partitions : en
  • DE634756C - Production of hydrofluoric acid : de en
  • DE640529C - Gas outlet mouthpiece for devices for pest control, especially in grain mills : de en
  • USD102609S - Design for a textile fabric : en
  • USD102649S - Design for an electric range : en
  • US2066461A - Process of separating and recovering hydrocarbons and alkyl esters from mixtures thereof : en
  • US2066705A - Locking system for doors and windows : en
  • US2066921A - Elevator control system : en
  • GB459284A - Improvements in or relating to electric couplings : en
  • US2066880A - Recording device : en
  • US2066995A - Parallel inverter system : en
  • US2066598A - Pulling tool or implement : en
  • US2066905A - Halogenated methyl ethers : en
  • US2066828A - Portable, foldable, and extendible wardrobe : en
  • US2067153A - Control system : en
  • GB459412A - Improvements in or relating to electro-magnetic relays : en
  • DE640522C - Process for the extraction of bitumen from bituminous lignite : de en
  • US2066447A - Starting gate : en
  • CA363105A - Wash tub : en fr
  • USD102606S - Design fob a textile fabric : en
  • FR807238A - Improvements to so-called `` express '' coffee makers for family use : en fr
  • US2066823A - Sectional shoe rack : en
  • GR6208B - METHOD OF MANUFACTURING CASES CONTAINING DRUGS INSTALLED AFTER CASES IN THE BODY. : el en
  • DE640510C - Process for the preparation of vinyl ethers and acetals : de en
  • DE640681C - Process for the production of purified sulfuric acid esters of fatty and wax alcohols : de en
  • DK52531C - Piston. : da en
  • FR807167A - Method and apparatus for preserving by drying products of plant and animal origin, while preventing denaturation : en fr
  • DE640442C - Standpipe valve for cisterns : de en
  • US2066489A - Piston oil pump : en
  • US2066781A - Method of and means for effecting vapor treatment of yarn in a yarn fabricating machine : en
  • CA363242A - Adherent grease : en fr
  • FR807069A - Multiple press for primers and powder charges : en fr
  • FR807116A - Use of tides : en fr
  • GB459403A - Improvements in bed-warmers : en
  • FR807177A - Improvements to installations such as central heating installations : en fr
  • FR807213A - Detersing agents, humectants and dispersants, substantive fixing agents and agents for improving the qualities of dyes and processes for the preparation of these products : en fr
  • GB459457A - A process for softening textiles, leather, paper and like fibrous materials : en
  • GB459472A - Method of fixation of fastening pieces on metallic cables : en
  • CA363095A - Hydrocarbon manufacture : en fr
  • FR807170A - Process for obtaining electrolytic deposits of tin or tin alloys : en fr
  • GB459445A - Improvements in nitration processes : en
  • GB459265A - Improvements in roller bearings for the cylinders of rotary printing machines : en
  • GB459346A - Improvements in and relating to electric welding apparatus : en
  • DE640593C - Process for the preparation of N, N'-dialkyldipyrazole anthronylene : de en
  • DE640643C - Illuminated circuit diagram with a glass base plate : de en
  • US2066416A - Ink ribbon and method or process of making the same : en
  • DE640528C - Test bench for motor vehicles : de en
  • US2066351A - Striping or banding machine : en
  • GB459473A - Handles for wheel-barrows, hand-carts, agricultural implements and the like : en
  • GB459331A - Improvements in and relating to splices for multiple-ply fabrics : en
  • GB459458A - Improvements in the manufacture of fabrics : en
  • CA363135A - Desiccating apparatus : en fr
  • US2066313A - Dental instrument : en
  • US2067113A - Workbench : en
  • DE640613C - Display box : de en
  • FR807174A - Multi-focus artificial incubator : en fr
  • FR807244A - Improvements to work shoes : en fr
  • GB459378A - Appliances for playing a carpet golf game : en
  • GB459474A - Improvements in or relating to shock absorbers : en
  • FR807104A - Further development of electro-dynamic loudspeakers or microphones : en fr
  • FR822897A - Method and apparatus for the manufacture of electric cables : en fr
  • GB459350A - Improvements in or relating to rolling mills : en
  • US2066336A - Aircraft : en
  • FR807064A - Device for cutting the stems and roots of onion plants : en fr
  • GB459324A - Improvements in or relating to hydraulic variable speed mechanisms : en
  • DE640667C - Slide for rescuing people from the risk of fire : de en
  • DE640506C - Safety tap for gas stoves : de en
  • DE640628C - Switching arrangement for simultaneous querying in both directions of a telephone line equipped with an amplifier : de en
  • GB459273A - Improvements in and relating to regulating arrangements for the synchronous running of teleprinting machines : en
  • DE640598C - Payment tray : de en
  • CA363091A - Electrical air heating apparatus : en fr
  • FR807233A - Method of fixing wires, tapes or metal parts on metal supports : en fr
  • US2066530A - Motor vehicle : en
  • FR822837A - : fr
  • GB459460A - Improvements in or relating to day-beds and the like : en
  • US2066760A - Self starting, stopping reversible synchronous motor : en
  • FR807065A - New improved stripper : en fr
  • DE640620C - Disc, especially for windscreens or window panes for traffic vehicles, such as motor vehicles, railcars and aircraft : de en
  • US2066600A - Boom construction : en
  • US2066676A - Tone control : en
  • US2067006A - Method of recovering metals from ores, etc. : en
  • GB459330A - Improvements in tongs for pressing in connecting hooks for driving and conveyor belts : en
  • GB459494A - Improvements in or relating to hot water heating systems : en
  • US2066789A - Measuring device : en
  • USD102655S - nicholides : en
  • DE640580C - Process for obtaining valuable polynuclear compounds from pressure hydrogenation products : de en
  • FR807160A - Device for voltage adjustment in alternating current : en fr
  • FR807184A - Mechanical device intended to reduce the bulk of devices powered by two motors : en fr
  • US2066319A - Gun : en
  • GB459293A - Improvements in and relating to sails : en
  • CA363191A - Roofing : en fr
  • GB459485A - Improvements relating to tearing strip containers and methods of making the same : en
  • US2066525A - Conductor : en
  • FR807144A - Electrical junction box : en fr
  • GB459478A - Method of and apparatus for curling feathers : en
  • US2066536A - Corset lacing construction : en
  • FR807207A - Water insoluble azo dyes and process for their production : en fr
  • GR6206B - METHOD FOR MAKING FLEXIBLE SHOES. : el en
  • DK52528C - Procedure for Manufacturing Pressed Artificial Leather. : da en
  • FR807080A - Typewriter Improvements : en fr
  • DE640683C - Device for regulating the operating size of electrical systems by means of grid-controlled gas or vapor discharge vessels : de en
  • DE640679C - Founding stake made up of several wooden elements : de en
  • FR807132A - Adjustable metal device for barrel support : en fr
  • GB459348A - Improvements in or relating to valve circuit arrangements for very short waves : en
  • US2066567A - Peach pitter : en
  • US2067024A - Holder for flags and the like : en
  • US2066393A - Lock : en
  • US2066630A - Seat structure : en
  • FR807084A - Landing sail : en fr
  • DE640562C - Process for the production of insulating bodies from hard paper or hard tissue : de en
  • DE640492C - Trapping area precipitation electrode for electrostatic precipitators : de en
  • GB459388A - Improvements in the manufacture of artificial textile materials : en
  • GB459252A - Improvements in, or relating to, means for machining undercut grooves : en
  • GB459461A - Improvements in collapsible buildings : en
  • US2066821A - Thermostatic heat control for stove ovens : en
  • GB459659A - Improvements in or relating to shelves for accommodating shaving articles : en
  • DE640422C - Device for the photographic, especially stereoscopic line screen process : de en
  • FR807189A - Improvements to preparatory operations for casting magnesium and sensitive metals, in the molten state, to air attack : en fr
  • US2066609A - Railway truck : en
  • US2066627A - Car heater : en
  • US2066857A - Resinous adhesive and process of making the same : en
  • CA363280A - Force of gravity measuring method : en fr
  • CA363277A - Liquid projecting device : en fr
  • US2066865A - Restaurant apparatus : en
  • US2066961A - Driving mechanism for shaking conveyers and the like : en
  • US2067016A - Thermometer holder : en
  • US2067129A - Cathode for discharge devices : en
  • USPP212P - Hybrid poplar : en
  • CA363138A - Circuit breaker : en fr
  • DE640436C - Spring arrangement for the push-button follower, which can be re-tensioned from the forend of the lock : de en
  • US2066340A - Yarns and filaments and method of making the same : en
  • US2067085A - Retort and retort setting : en
  • US2066617A - Gummed tape dispensing means : en
  • USD102629S - Design for a vanity case or : en
  • CA363118A - Magnesium and alloys : en fr
  • US2066562A - Production of sulphur dioxide : en
  • US2066896A - Reduction of sulphur dioxide : en
  • DE640552C - Lying regenerative coke oven : de en
  • CA363128A - Shingle production : en fr
  • CA363199A - Telephone system : en fr
  • US2066738A - Thermostat : en
  • US2067163A - Method and apparatus for pointing fur skins, and the like, and resulting products : en
  • USD102614S - Design for a textile fabric : en
  • USD102645S - Design fok a jar : en
  • US2066817A - Air conditioning, heating, and cooling units : en
  • USPP214P - Hybrid poplar : en
  • CA363261A - Percolator top : en fr
  • US2066516A - Package and method of producing the same : en
  • CA363092A - Engine starter : en fr
  • CA363226A - Humidifying apparatus : en fr
  • GB459257A - Improvements in and relating to the production of chemically resistant oil colour paints : en
  • US2066394A - Internal combustion engine structure : en
  • CA363131A - Tar distillation : en fr
  • DE640625C - Revolving conical drum for heat treatment of dusty goods : de en
  • US2066816A - Game table : en
  • CA363285A - Sawdust burner : en fr
  • US2066959A - Mgh tension ignition system : en
  • DK52532C - Safety Valve for Adjusting the Outflow from High Pressure Tanks. : da en
  • FR807106A - Improvements to cardboard packaging with longitudinal partition : en fr
  • IE14189L - Dispensing granular masses : en
  • US2066759A - Coating composition : en
  • US2066809A - Apparatus for depicting a monetary economic situation : en
  • US2067072A - Electrical safety razor : en
  • US2066712A - Casement window weatherstrip means : en
  • US2066755A - Roll : en
  • CA363121A - Sealed package : en fr
  • CA363193A - Valve : en fr
  • DE640542C - Mobile and controllable deep sea research device : de en
  • FR807073A - Improvements in emergency shut-off valves : en fr
  • GR6212B - WIRE ADJUSTABLE BUTTON. : el en
  • US2066431A - Ice making apparatus : en
  • US2066625A - Core drill : en
  • US2067141A - Electrode for gaseous conduction devices : en
  • USD102651S - Design for a supper : en
  • US2066934A - Regulating system : en
  • US2066327A - Bath for anodic treatment of aluminum : en
  • FR807344A - Improvements made to internal combustion or internal combustion engines, especially overhead valve engines : en fr
  • GB459262A - Improvement in or connected with bathing caps : en
  • CA363114A - Endless belt and seam : en fr
  • CA363268A - Wire connector : en fr
  • FR807113A - Improvement in electric vehicle warning devices, and device for adapting this improvement to existing warning devices : en fr
  • DE640599C - Lock for elevator doors : de en
  • CA363110A - Thermal latch : en fr
  • AU2246429A - Improvements in or relating to aerial systems : en
  • CA363186A - Double universal joint : en fr
  • US2066723A - Conveyer chain : en
  • US2066977A - Liquid dispenser : en
  • US2066765A - Hanger for trousers : en
  • USD102632S - Design for a gas administering : en
  • FR807203A - Machine for making and applying or fixing soles or heels to shoes or shoes : en fr
  • CA363162A - Very short wave radio transmitting apparatus : en fr
  • US2066398A - Buckle : en
  • US2066682A - Mechanism for knitting : en
  • US2066863A - Inking mechanism : en
  • US2066850A - Manufacture of photographic film : en
  • USD102621S - Design for a shoe : en
  • DE640443C - Slide for steep inclines : de en
  • FR807153A - Further training in duplicating machines : en fr
  • US2066772A - Tooth brush : en
  • US2066965A - Vernier motor : en
  • US2066362A - Screening apparatus and the like : en
  • US2066335A - Towel rack attachment : en
  • USRE20227E - Apparatus fob treating liquids : en
  • US2066574A - Method of preparing food concentrates : en
  • FR807261A - Periodic tampon improvements : en fr
  • FR807320A - Typewriter : en fr
  • GB459198A - Improvements in or relating to operators' sets for telephone systems : en
  • FR807061A - Self-tensioning chain derailleur for bicycle : en fr
  • GB459261A - An improved life-rescue device for ships : en
  • DE640413C - Wall cladding to cover the inflow and outflow pipes of a washbasin and to support the washbasin body : de en
  • FR807282A - Device for elastic suspension of light vehicles : en fr
  • GB459183A - Improvements relating to papers, paper boards and the like : en
  • GB459415A - Improved purifier for wood gas generating plant used on vehicles : en
  • CA363271A - Vacuum relief valve : en fr
  • US2066334A - Refrigeration : en
  • US2066547A - Foundry slip flask : en
  • US2066314A - Process of improving the structure of steel products : en
  • IE14268L - Combustion control in boiler furnaces : en
  • GB459469A - Improvements in or relating to vacuum tight seals for electron discharge devices : en
  • FR807247A - Perfected bottle : en fr
  • GR6202B - SPECIAL Fermentation oil for the reproduction of bakery yeasts. : el en
  • USD102605S - Design for a doily : en
  • GB459468A - Rubber lined pumps : en
  • US2067047A - Insect and fungi toxic fibrous material : en
  • DE640401C - Device for the automatic control of a secondary alternating current network fed via a rotary transformer from a primary alternating current network of fluctuating frequency to a constant frequency : de en
  • GB459315A - Improvements relating to the distribution of liquids over surfaces for heat exchange and other purposes : en
  • FR807056A - Sodium sulfate manufacturing process : en fr
  • US2066421A - Laminated sheet : en
  • FR807075A - Shearing process and apparatus allowing the realization : en fr
  • US2066597A - Terminal post assembly : en
  • US2066797A - Insulated rail joint : en
  • US2066847A - Hair drier : en
  • US2066369A - Woven wire belt for paper making machines : en
  • USD102616S - Design for a carpet underlines : en
  • DE640509C - Process for the preparation of cyanoacetic acid alkyl esters : de en
  • FR807052A - Process for the production of dyes soluble in organic agents : en fr
  • GR6210B - ASSEMBLY DEVICE FOR TUBE ELEMENTS OF METAL CONSTRUCTIONS. : el en
  • US2066387A - Stock line recorder : en
  • FR807088A - Process for preparing single or twisted yarns taking on different tones or shades in successive slices on dyeing : en fr
  • US2066891A - Tape coil winder : en
  • DE640518C - Socket, especially for connection to device plugs : de en
  • US2066966A - Manufacture of light sensitive materials : en
  • DE640573C - Torsion suspension, especially for motor vehicles and trailers : de en
  • GB459199A - Improvements in or relating to apparatus for displaying fabrics or clothing materials : en
  • DE640527C - Serving measure with two measuring chambers lying one above the other, which can be separated by an intermediate floor : de en
  • GB459357A - Winding machines for yarns and threads : en
  • GB459155A - Improvements in and relating to automatic record-changing talking machines : en
  • GB459470A - Improvements relating to grinding wheels : en
  • GB459718A - Electric servo-motor control arrangements, particularly for variable speed transmissions for automobiles : en
  • US2067058A - Ornamental tie holder : en
  • USD102610S - Design for a textile fabric : en
  • GR6218B - FOUNTAIN PEN. : el en
  • DE640445C - Device working with the aid of capacitors to convert direct current into other voltage : de en
  • FR807346A - Improvements to compositions intended for molding : en fr
  • FR807138A - Special roulette for bars, coffee rooms, counters, etc. : en fr
  • US2066697A - Treatment of hydrocarbon oil : en
  • US2066983A - Piston ring : en
  • DK52512C - Sliding roller device for Rail Curves. : da en
  • GB459178A - Improvements in or relating to television and like systems : en
  • GB459402A - Improvements in or relating to electric discharge lamps : en
  • USD102656S - Design fob a sport shirt or : en
  • US2066449A - Bundling apparatus : en
  • GB459477A - Device for inverting chocolate moulds in manufacturing hollow-chocolate bodies : en
  • US2066429A - Apparatus for operating cylinder printing presses : en
  • US2066539A - Control circuit : en
  • US2066735A - Bridge for eyeglasses : en
  • DE640647C - Process for the production of dry hydrogen chloride and hydrogen fluoride from their aqueous solutions : de en
  • GB459227A - Improvements in regulating switches for electric transformers : en
  • FR807127A - Camera to develop photographs : en fr
  • GB459290A - Apparatus for removing surface metal from metallic bodies : en
  • US2066658A - Method of making valves : en
  • GB459488A - Process for the manufacture of derivatives of 2,4-dioxo-tetrahydro-pyridine : en
  • FR807332A - Stove-boiler for central heating : en fr
  • US2066768A - Holder for articles : en
  • US2066356A - Means for vacuumizing, gasifying, and siruping containers : en
  • US2066575A - Time delay relay : en
  • US2066754A - Safety tube seal and process of its manufacture : en
  • US2067080A - Method and apparatus for purifying wet steam : en
  • US2067159A - Brake shoe : en
  • US2067064A - Welding device : en
  • USD102668S - Design fob a combined switch plate : en
  • GB459277A - Improvements in and relating to photometers for measuring illumination : en
  • FR807269A - Process for producing colors low in oil or thinner, ready for application : en fr
  • FR807277A - Improvements to sewing machines with central shuttle called zig-zag stitching machines and similar machines : en fr
  • DE640661C - Wall cladding for jacket tubs : de en
  • GB459314A - Improvements in the manufacture of coal-gas : en
  • USD102608S - Design fok a textile fabric : en
  • GB459205A - Improvements in vices : en
  • US2066400A - Bedpan : en
  • DE640685C - Arrangement for feeding a DC mesh network via rectifier : de en
  • DE640604C - Spade or fork-shaped grave device : de en
  • FR807231A - Improvements to television devices : en fr
  • DE640572C - Dryer for endless paper, cardboard and cellulose webs : de en
  • FR807099A - Safety control unit, combination : en fr
  • GB459401A - Improvements relating to apparatus for use in the separation of dirt from coal and for other like purposes : en
  • GB459521A - Improvements in or relating to apparatus for playing a game : en
  • DE640648C - Process and device for the continuous evaporation of phosphorus and for the production of phosphorus compounds : de en
  • GB459370A - Improvements in or relating to means for raising and lowering the cutter bars of mowing machines : en
  • GB459503A - Improvements in or relating to the prevention of cloggage in conduits for liquids containing suspended sludge : en
  • US2066727A - Photographic printing : en
  • DE640622C - Bomb-repellent covering for buildings : de en
  • GB459602A - Method of and arrangement for producing synchronising impulses for television transmitters : en
  • CA363234A - Building and log construction : en fr
  • US2066972A - Thermostatic compensating device for fluid meters : en
  • CA363106A - Extinguisher : en fr
  • CA363202A - Box or carton : en fr
  • US2066952A - Change speed gear : en
  • FR807186A - Improvements to worm gear reversal devices : en fr
  • US2066519A - Trawl board and the like : en
  • CA363255A - Bed cover holder : en fr
  • CA363166A - Electric regulator : en fr
  • CA363145A - Alternating current control apparatus : en fr
  • US2066506A - Fuel : en
  • US2066737A - Making pyrethrin insecticide : en
  • US2066642A - Method and apparatus for applying designs and the article produced thereby : en
  • US2066669A - Cash register : en
  • USD102620S - Design for a shoe : en
  • US2066551A - Machine for making box or crate parts : en
  • US2067155A - Motor : en
  • US2066397A - Dispensing apparatus : en
  • US2067030A - Method fob treating mineral oh : en
  • DE640551C - Disc roller grate : de en
  • US2066576A - Shock absorber : en
  • US2066633A - Shift key mechanism for accordions : en
  • US2066531A - Sprinkler : en
  • CA363192A - Pipe or rod fitting : en fr
  • CA363284A - Manicuring implement : en fr
  • CA363172A - Diethyl ether production : en fr
  • USRE20230E - Design fob a candle lamp : en
  • US2066974A - Paper maker's drier felt : en
  • US2067053A - Mercury vapor rectifier : en
  • FR807095A - Electro-magnetic device for checking steels : en fr
  • DE639687C - Conductor connection : de en
  • DE640465C - Blocking throttle : de en
  • USD102670S - Design for an electric heater : en
  • GB459391A - Improvements in electrical resistances : en
  • GB459452A - Improvements in and relating to toy building blocks or bricks : en
  • GR6213B - APPARATUS FOR TRANSFORMATION OF THE SAME HOLD CORPS BY PRESSURE. : el en
  • USD102626S - Design for a receptacle for ciga : en
  • CA363111A - Receptacle closure : en fr
  • CA363270A - Stove : en fr
  • FR807096A - Method for establishing control buttons for t receivers. s. f. and resulting new product : en fr
  • FR807301A - Plate-making device : en fr
  • GB459426A - Protecting device for water closets : en
  • CA363223A - Gear wheel grinding machine : en fr
  • GB459509A - Improvements in vats for dye and other liquids : en
  • DE640430C - Cushioning, especially for motor vehicles : de en
  • DE640631C - Coupling device for regulating levers of stage signal boxes : de en
  • FR807291A - New spindle system for continuous spinning, twisting and similar machines : en fr
  • US2066665A - Process for the treatment of ores containing iron : en
  • FR807237A - Process for obtaining beryllium compounds starting from ores containing beryllium : en fr
  • US2066500A - Vehicle header construction : en
  • FR807270A - Rock puncher : en fr
  • US2066674A - Multistage ultra high radio frequency amplifier : en
  • DE640690C - Stove top : de en
  • USD102625S - Design for a shoe : en
  • US2066348A - Water treater and heater : en
  • US2066602A - Railway truck : en
  • FR807212A - Receiver assembly for carrier frequency telephony communications on high voltage lines : en fr
  • GB459226A - Improvements relating to thermally operated devices for controlling electrical circuits : en
  • DE640627C - Auxiliary machine set, especially for high pressure steam turbine systems : de en
  • FR807317A - Manufacturing process of enamelled sheet metal articles and resulting products : en fr
  • DE640408C - Feeding bottle : de en
  • US2066706A - Respiratory protective apparatus : en
  • DE640425C - Fuel container that can be dropped from an aircraft in flight : de en
  • FR807118A - Ball with tip in hardened and tempered steel, provided with helical grooves : en fr
  • GB459421A - Improvements in presses : en
  • DE640427C - Gas generating vehicle : de en
  • US2066825A - Bracket for holding pocketbooks : en
  • GB459235A - : en
  • GB459201A - Process for the production of glass articles : en
  • US2066526A - Key carrier : en
  • US2066503A - Breast adapter : en
  • DE640508C - Method of weighing wool : de en
  • FR807102A - Advanced shock absorber-stabilizer : en fr
  • FR807330A - Frame for films or films in rolls, comprising a film advance control actuated by a rotating shaft : en fr
  • GB459270A - Process for stabilising lead tetraethyl and anti-knock mixtures containing same : en
  • US2067160A - Air cleaner and silencer : en
  • US2066610A - Farm machinery : en
  • US2066464A - Shoe upper lacing machine : en
  • USRE20233E - Fastener : en
  • GB459482A - Improvements in and relating to telescopic umbrella frames : en
  • CA363294A - Container closure : en fr
  • FR807120A - Method and device for ensuring rigorous equality between the speed of a projected image and that of the sensitive surface onto which it is projected : en fr
  • DE640605C - Planting machine : de en
  • GB459717A - Improvements in connection with electromagnetically operated switches or circuit-controlling devices : en
  • GB459359A - Improvements in and relating to fasteners for bracelets, bangles, metallic waist belts and the like : en
  • FR807319A - Improvements to devices for refining oil : en fr
  • GB459228A - Improvements in and relating to motors, compressors and pumps of the revolving cylinder type : en
  • DE640672C - Anti-slip protection for the shoe heel : de en
  • GB459393A - Improvements in or relating to electric discharge devices : en
  • FR807220A - Security pocket : en fr
  • CA363229A - Tool : en fr
  • FR807169A - Electric clock to monitor the progress of sterilization in electrically heated sterilizers : en fr
  • DE640550C - Method and device for operating several extractors working together : de en
  • US2066894A - Relay : en
  • US2066529A - Dishwashing device : en
  • FR807128A - Volatilizer device for any light or heavy fuel : en fr
  • FR807103A - Buckle for belts : en fr
  • US2066491A - Switch : en
  • US2066494A - Winding machine : en
  • US2066851A - Tank cap holder : en
  • US2066463A - Electrostatic telecommunication system : en
  • US2066691A - Battery terminal : en
  • DE640504C - Conveyor for bulk goods : de en
  • USD102637S - Design for a tobacco pipe : en
  • US2066324A - Garment : en
  • US2066790A - Conductor support : en
  • GB459189A - Improvements in the recovery of aromatic compounds from liquid hydrocarbons : en
  • CA363259A - Turntable : en fr
  • CA363158A - Electrical load control system : en fr
  • CA363287A - Heat applying means to retorts, etc. : en fr
  • DE640455C - Process for the production of purified invertase solutions : de en
  • FR807335A - Rolling vacuum cleaner : en fr
  • CA363146A - Electrical distribution system : en fr
  • DE640473C - Field kitchen : de en
  • US2066311A - Machine for testing fabrics : en
  • DE640480C - Rotary piston internal combustion engine : de en
  • US2066908A - Elevator system : en
  • US2066955A - Distance relay for the protection of electric plants : en
  • US2066843A - Hosiery knitting machine : en
  • CA363180A - Hydrocarbon oil processing : en fr
  • US2066564A - Casting of magnesium : en
  • US2066703A - Method of atomization and delivery of highly viscous hydrocarbon fuels : en
  • US2067157A - Perforated record controlled machine : en
  • CA363218A - Carbonaceous material processing : en fr
  • US2066357A - Manual or automatic means for correcting time-keeping mechanisms : en
  • USD102631S - Design fok a doctor s cabinet or : en
  • US2066543A - Refractory bodies : en
  • US2067000A - Dragline dredge : en
  • US2066635A - Explosive container : en
  • USD102650S - Design for a bulb for head lamps : en
  • US2066960A - Wiring system and fitting therefor : en
  • US2066743A - Rolling mill : en
  • DE640594C - Device for cleaning and sterilizing instruments for dental treatment : de en
  • CA363143A - Electric switch : en fr
  • CA363190A - Bituminous composition : en fr
  • US2066569A - Means and method for welding strips end to end : en
  • FR807156A - Lubricating oil improvements : en fr
  • DE640533C - Security device for motor vehicles against theft : de en
  • GB459520A - Improvements in the preparation of phosphoric acid esters of aliphatic alcohols : en
  • US2066514A - Gain control circuits : en
  • DE640505C - Storage for lock lock gates : de en
  • US2066423A - Manufacture of shoes : en
  • DE640405C - Process for the production of soaps containing chlorinated hydrocarbons : de en
  • US2066480A - Oil heater : en
  • US2066670A - Method for manufacturing gases : en
  • US2067073A - Heat polymerization : en
  • USPP215P - Hybrdd poplar : en
  • US2066644A - Toy : en
  • US2066655A - Drawer : en
  • US2066954A - C-nitrotetrazole compounds : en
  • CA363144A - Voltage and power factor control : en fr
  • CA363147A - Electric translating system : en fr
  • CA363279A - Brake apparatus : en fr
  • FR807257A - Process for the production of matte artificial fibers, in particular rayon, and the products resulting from this process : en fr
  • FR807316A - Side seam for metal box bodies : en fr
  • GB459594A - Improvements in dyeing artificial shaped objects : en
  • CA363152A - Supervisory control system : en fr
  • US2066818A - Educational and amusement device : en
  • US2066944A - Tuning unit : en
  • US2066446A - Precision instrument : en
  • US2066971A - Machine for bundling stacks of rings : en
  • US2067093A - Strap seal : en
  • CA363102A - Freight container lock mechanism : en fr
  • US2066783A - Tabulating machine : en
  • DE640462C - Wire break protection, especially for barrier systems : de en
  • DE640403C - Luminous body for electric light bulbs : de en
  • DK52537C - Blood boilers. : da en
  • US2066487A - Disk-jointer attachment for plows : en
  • US2067008A - Wheel and valve stem assembly : en
  • CA363164A - Elevator control system : en fr
  • US2066925A - Process for removing acid components from hydrocarbon distillates : en
  • DE640487C - Machine for making a rope cord from several strands : de en
  • USRE20226E - Respiration apparatus : en
  • US2066568A - Expansible film hub : en
  • US2066975A - Cuff of trousers : en
  • CA363149A - Electric regulating system : en fr
  • US2066878A - Photoelectric tube and process of making it : en
  • US2066916A - Wheel stop device for automobile lifts : en
  • US2066586A - Pinhole grinder : en
  • US2066724A - Game : en
  • US2066739A - Electric motor : en
  • CA363150A - Electric valve converting system : en fr
  • GB459272A - Reproducing apparatus for picture telegraph systems : en
  • US2066399A - Match : en
  • GB459361A - Improvements in or connected with ship structures : en
  • FR807267A - Fire extinguisher : en fr
  • US2067152A - Stoker : en
  • FR807275A - Multiple mechanical pencil : en fr
  • FR807181A - Prepayment mechanism for gas meters and the like : en fr
  • FR807248A - Coupling device : en fr
  • DE640478C - Device for the detection of defects in workpieces, especially in weld seams : de en
  • FR807201A - Improvements made to liquid level indicators, particularly those for motor vehicle radiators : en fr
  • GB459163A - Improvements in and relating to electric discharge tubes : en
  • US2066595A - Pickling crate device : en
  • DE640356C - Air circulation device for ship holdings : de en
  • FR807130A - Device ensuring the permanent tightening of the assemblies by bolts and nuts : en fr
  • US2066572A - Medicinal compound : en
  • USD102633S - Unitfd statfs patfnt offitf : en
  • DE640461C - Regenerative braking device : de en
  • US2066932A - Directional ground relay : en
  • US2066368A - Antiskid device : en
  • US2066381A - Disk tool : en
  • US2066989A - Centrifugal device : en
  • US2066372A - Method of making dies or punches : en
  • US2066788A - Turbine : en
  • US2067156A - Double grid electron tube and circuit : en
  • FR807062A - Clip for attaching bracelets to wristwatches or others : en fr
  • FR807341A - Improvements to handles of sleeved items such as play items : en fr
  • US2067013A - Process for producing the disodium salt of imidodicarboxylic acid : en
  • DE640484C - Auxiliary apparatus for sewing machines for making carpets : de en
  • US2067045A - Press control mechanism : en
  • US2067164A - Window sash balance : en
  • DE640312C - Process for producing a propellant charge for projectiles : de en
  • US2066483A - Bicycle tire bead wires and method for their manufacture : en
  • US2067039A - Retaining device : en
  • US2066505A - Means for excluding abrasive carrying liquid from bearings and joints : en
  • US2066441A - Wear plate for railway truck journal boxes : en
  • US2066330A - Chemical products and processes for producing same : en
  • US2066902A - Method of and means for producing oscillations : en
  • CA363142A - Current circuit : en fr
  • GB459356A - Improvements in or relating to crushing devices : en
  • DE640610C - Cleaning comb : de en
  • GB459237A - Improvements in and relating to mixing apparatus : en
  • DE640646C - Device for emulsifying liquids, in particular milk and butter : de en
  • GB459349A - Improvements relating to fastenings for connecting together two or more plate-like members : en
  • DE640411C - Foldable deck chair with removable footrest : de en
  • DE640600C - Expansion vessel used as a heating element for hot water collective heating systems : de en
  • US2066747A - Ornamented article and method of making the same : en
  • US2066688A - Air conditioning apparatus : en
  • US2066940A - Radio receiving system : en
  • DK52516C - Device for electric air cables. : da en
  • FR807259A - Dispensing Mechanism for Pressurized Fluid Operated Rock Drills : en fr
  • GB459256A - Improvements in the construction of walls and the like : en
  • FR807162A - Improvements in the establishment of screen negatives for photomechanical reproduction : en fr
  • US2066465A - Switch : en
  • US2066677A - Grinding machinery : en
  • US2066911A - Magnetic iron alloy : en
  • US2066535A - Finger-print detection : en
  • US2066838A - Eye protective device : en
  • US2066973A - Lighting unit : en
  • US2066472A - Releasable ignition key case : en
  • US2066803A - Weeder : en
  • FR807082A - Suitcase convertible into a table : en fr
  • US2066815A - Fish lure : en
  • US2066478A - Display rack : en
  • US2067147A - Centralized traffic controlling system for railroads : en
  • CA363108A - Endless track : en fr
  • CA363137A - Enclosed arc device : en fr
  • CA363237A - Abrasive wheel manufacture : en fr
  • GB459260A - Improvements in or relating to television receivers : en
  • GB459318A - Improvements in or relating to seed disinfectant compositions : en
  • FR807287A - Safety glass manufacturing process : en fr
  • US2066810A - Aircraft : en
  • US2066606A - Draft rigging : en
  • US2066683A - Portable fume remover : en
  • US2066509A - Rectifying system : en
  • US2066565A - Method and apparatus for shearing : en
  • CA363232A - Galvanized iron sheet welding process : en fr
  • CA363296A - Rubber brush or broom : en fr
  • GB459342A - Improvements in or relating to the manufacture of diazoamino compounds : en
  • US2066318A - Carburetor : en
  • GB459580A - Improvements in or relating to high frequency coaxial cable transmission systems and apparatus therefor : en
  • GB459254A - Improvements in or relating to electromagnetic switches of the type used in telephone systems : en
  • GB459202A - Improvements in luminous number plates and other luminous signs : en
  • GB459661A - A press for trousers, garments, and the like : en
  • GB459711A - Manufacture of shaped materials from highly polymeric compounds : en
  • DE640586C - Box locking device for tipper : de en
  • GB459496A - Improvements in and connected with variable-speed chain gearing for bicycles and the like : en
  • FR807350A - Process for removing asphaltic substances and paraffin from products which contain them, e.g. mineral oil residues : en fr
  • GB459242A - Improvements in and relating to horns for gramophones or like sound reproducing machines : en
  • CA363278A - Roadway parting strip : en fr
  • US2066624A - Weighing scale : en
  • US2066811A - Portable electric lamp : en
  • US2066844A - Display stand structure : en
  • US2067034A - Heat responsive self-lubricating bearing : en
  • US2067115A - Process of drying tobacco : en
  • US2066443A - Arch supporter and exerciser : en
  • US2066964A - Process of making tile structures : en
  • US2067082A - Phase modulation : en
  • US2066938A - Uniform speed system : en
  • US2066662A - Combined stamp vending and advertising machine : en
  • GB459463A - Improvements in or relating to regulating mechanism for the binding prongs of straw presses : en
  • DE597981C - Dynamo-electric gearbox : de en
  • DE640417C - Locking device for calculating machines : de en
  • GB459264A - Process for the anodic coating of aluminium and aluminium alloys and electrolytes therefor : en
  • CA363276A - Placer gold recovering apparatus : en fr
  • DE640490C - Calendar clock : de en
  • US2066678A - Cover and wheel assembly : en
  • FR807166A - Carburetor : en fr
  • CA363195A - Signaling system : en fr
  • CA363129A - Tar distillation : en fr
  • CA363173A - Abrasive grain coating method : en fr
  • DE640418C - Device for starting engines : de en
  • DK52510C - Blind tube boiler. : da en
  • US2067096A - Electric drive for the picking devices for looms : en
  • US2066392A - Pay telephone station : en
  • US2066871A - Educational appliance : en
  • US2067158A - Power gang lawn mower : en
  • GB459296A - Improvements in or relating to switches such as are used in automatic telephone systems : en
  • DE640431C - Friction shock absorbers, especially for cars : de en
  • FR807146A - Process for preparing alkylene imines : en fr
  • FR807209A - Rail current circuit breaker : en fr
  • FR807310A - Bearing for greased track chains : en fr
  • DE640553C - Letter folder with a mechanism that can be tilted with its base plate close to one of the back longitudinal edges : de en
  • FR807134A - Folding metal chair : en fr
  • DE640680C - Process for making crystallized dextrose : de en
  • GB459333A - Manufacture of vat-dyestuffs and intermediate products therefor : en
  • DE640663C - Wood drill : de en
  • DE635947C - Centrifugal spinner : de en
  • FR807188A - Direction-finding antenna system without night effect : en fr
  • DE640466C - Double-walled cable termination device for telecommunication cables : de en
  • GB459487A - Improvement in cord coating apparatus : en
  • US2066920A - Control system : en
  • USD102643S - Design for a padlock : en
  • GB459413A - Winding machines for yarns and threads : en
  • GB459719A - Improvements in the manufacture and application of halogenated stearic acid esters : en
  • CA363244A - Journal box : en fr
  • US2066408A - Knitted fabric : en
  • US2066672A - System of recording : en
  • FR807129A - Operating method and device for gas turbines : en fr
  • FR807198A - Process for the preparation of asbestos and latex products : en fr
  • FR807070A - Protective or shock absorption device for vehicles : en fr
  • GB459456A - An improved device for cleaning rotating cylinders : en
  • DE640415C - Method for making optical sound recordings using an electron beam : de en
  • DE640447C - Device for cutting off the upper end of an endless glass ribbon : de en
  • CA363253A - Metal recovery by chlorination : en fr
  • GB459298A - Manufacture of lacquers or varnishes : en
  • US2066401A - Boiler : en
  • GB459493A - System and apparatus for controlling at a distance one or more electric circuits by means of sound waves : en
  • DE640569C - Haekelgalon machine : de en
  • GB459508A - Improvements in or relating to the incorporation of elastic filaments, or threads in textile fabrics, or other articles : en
  • CA363267A - Hockey stick manufacture : en fr
  • FR807173A - Improvements relating to launching and out of water of airplanes : en fr
  • US2066554A - Flush valve silencer : en
  • US2067062A - Drawing mechanism for substantially elongated filaments : en
  • US2067149A - Azodyestuffs insoluble in water : en
  • GR6207B - PERFECTED RAILWAY JOINT. : el en
  • GB459506A - Improvements in or relating to television or like systems : en
  • CA363132A - Finger ring : en fr
  • DE640523C - Harbor furnace : de en
  • GB459278A - Improvements in or relating to means for measuring reflection coefficients : en
  • DE640423C - Process for producing a propeller blade from a seamless or unwelded metal tube : de en
  • GB459489A - Improvements in or relating to electrical condensers : en
  • US2067078A - Soil and vent piping : en
  • US2066594A - Pickling crate : en
  • US2066641A - Fender attachment : en
  • US2066312A - Air conditioned display table : en
  • US2067036A - Process of producing metals for electrical purposes : en
  • US2067119A - Mailer : en
  • US2066767A - Pipe cutter : en
  • FR807293A - Device for reducing the readings of a calorimeter to a determined normal state : en fr
  • FR807328A - Improvements to gas filters : en fr
  • GB459249A - Improvements in or relating to digging machines : en
  • US2066710A - Purification of water and other liquids : en
  • FR807199A - Rubber sole and heel : en fr
  • US2066459A - Process of making asphaltic storage battery cases : en
  • US2066507A - Combined toaster and grill : en
  • US2066513A - Remote control and signaling system for railway installations : en
  • US2067023A - Multiple propeller driving means : en
  • US2066433A - Mine prop : en
  • DK52518C - Contact mechanism for electrical alarms. : da en
  • US2067099A - Discharging attachment for hay sweeps : en
  • US2066309A - Recording mechanism : en
  • US2066784A - Printing mechanism : en
  • US2066792A - Collapsible tube container : en
  • US2066945A - Tuning unit : en
  • CA363239A - Paper making process : en fr
  • AU17536A - Improvements in or relating to Kerr cells : en
  • US2067068A - Calculator : en
  • US2066414A - Wrapping machine : en
  • USD102669S - Design for a knitted fabric : en
  • CA363113A - Typewriter platen : en fr
  • CA363250A - Air conditioner for vehicles : en fr
  • CA363189A - Wet purification of gases : en fr
  • US2066746A - Tobacco pipe : en
  • US2066757A - Scissors : en
  • DK52522C - Bathtub or similar Tub or Container. : da en
  • GB459715A - Improvements in and relating to welding wires : en
  • US2066623A - Bread rack : en
  • US2066836A - Road and railway vehicle : en
  • DK52521C - Mask-free or mesh-inhibited Knitwear and Procedure and Machine for its manufacture. : da en
  • US2066666A - Power-operated cultivator : en
  • US2066853A - Heat treatment of cast drill bits : en
  • FR807234A - Method of looping feathers for bedding and stuffing : en fr
  • US2066751A - Resistance coupled high frequency amplifier : en
  • US2067142A - Apparatus for and method of delivering molten glass : en
  • CA363119A - Wrought copper pipe tee : en fr
  • FR807105A - Method and devices for adjusting the intensity of an electric current : en fr
  • CA363246A - Thermal conductivity cell circuit : en fr
  • US2066886A - Implement attachment : en
  • US2066577A - Cooling apparatus : en
  • USD102622S - Design for a shoe : en
  • US2066631A - Street lighting fixture of the indirect type : en
  • CA363281A - Electrical booster : en fr
  • DE625158C - Process for the production of frame molds for chocolate production : de en
  • DE640536C - Nail catchers, especially for motor vehicles : de en
  • US2066320A - Electric cable system : en
  • US2066410A - Elastic-fluid turbine : en
  • US2066456A - Material handling apparatus : en
  • US2067011A - Heater and wiper for windshields : en
  • US2066561A - Metalloscope : en
  • US2066540A - Apparatus for freshening air in dwelling rooms or other chambers : en
  • DE640614C - Roll film camera with focusing mirror viewfinder : de en
  • DK52509C - Device for Evaporative Burners for Liquid Fuels. : da en
  • USD102644S - Design for a textile fabric : en
  • US2066782A - Applying varnish or lacquer to sheets : en
  • CA363130A - Tar processing : en fr
  • DE640526C - Insulating board : de en
  • US2066501A - Deck support and trough : en
  • US2067061A - Heat treatment of composite bearings : en
  • US2066879A - Roller bearing axle construction : en
  • US2067057A - Automatic safety switch for vehicles : en
  • DE640434C - Monitoring device for door locks with a lock bolt that can be triggered electromagnetically from a distance : de en
  • US2066589A - Deflector shield : en
  • CA363168A - Electrical control apparatus : en fr
  • CA363248A - Ferrule for handles : en fr
  • GB459263A - Process for the anodic coating of aluminium and aluminium alloys and electrolytes therefor : en
  • US2066726A - Method of producing sheets from urea formaldehyde resins : en
  • CA363182A - Railway switch machine : en fr
  • US2066430A - Motor vehicle : en
  • US2066897A - Method of making a reenforced gusset : en
  • US2066661A - Cooling of heat engines : en
  • US2066774A - Production of sulphur dioxide : en
  • US2066848A - Chill cast iron alloy roll : en
  • US2067015A - Insulation : en
  • US2066427A - Star drill : en
  • US2066498A - Gunfire control apparatus : en
  • USD102639S - Design for a confectionery product : en
  • USRE20228E - Shoveling hand truck and the like : en
  • USD102652S - Ribbon roller rack : en
  • US2066580A - Engine cylinder liner : en
  • US2067033A - Electrical rectifier and detector system : en
  • US2067143A - Electric controlling apparatus : en
  • DE640486C - Automatic brake hinge for doors, windows or the like. : de en
  • AU6056365A - Fabrication process for nonwoven textile products as well as the textile products thus fabricated : en
  • CA363293A - Flag pole : en fr
  • DE640673C - Playing card distribution device : de en
  • FR807333A - Firearms Improvements : en fr
  • US2066766A - Lubricating device : en
  • US2066812A - Agricultural implement : en
  • US2067125A - Combination lock with electrical switch control : en
  • DE640521C - Process for the production of azo dyes : de en
  • US2066931A - Bearing : en
  • US2066981A - Lamp : en
  • USD102671S - Design fob a bottle carrier : en
  • US2066445A - Nursing bottle : en
  • US2066579A - Production of refined magnesium and magnesium alloys : en
  • US2066583A - Method of preserving wood : en
  • CA363174A - Abrasive saw tooth : en fr
  • CA363230A - Vacuum pump : en fr
  • US2066689A - Air conditioning apparatus : en
  • US2066740A - Electric motor : en
  • DE640671C - Device for the production of gutless sausages : de en
  • GB459492A - Improvements in corsets : en
  • US2066424A - Manufacture of shoes : en
  • CA363177A - Hydrocarbon processing : en fr
  • US2066799A - Hoop ball : en
  • US2066859A - Portable phonograph : en
  • USPP218P - Hybrid poplar : en
  • CA363201A - Telephone system : en fr
  • CA363208A - Sized textile material : en fr
  • US2066729A - Wheel for motor driven vehicles : en
  • US2066317A - Base for electric lamps or similar devices : en
  • US2066980A - Typesetting mechanism for typewriters : en
  • DE640464C - Circuit arrangement for the transmission of current surges via inductively coupled connection lines in telecommunications systems : de en
  • GB459465A - Circuit arrangement for interconnecting teleprinters : en
  • GR6214B - NEW LENS TYPE. : el en
  • DE640531C - Method and auxiliary sewing machine for sewing umbrella spreader tips : de en
  • FR807159A - Improvements relating to the refining of wood pulp : en fr
  • GB459310A - Improvements in the purification of tricresyl phosphate used for the extraction of phenols : en
  • GB459313A - A shooting target with cinematographic or animated pictures : en
  • US2066626A - Railway car : en
  • DE640621C - Anti-skid plate that can be detached on the heel : de en
  • US2066571A - Process for the fibrous esterification of cellulose employing homogenizers : en
  • US2066730A - 3-nitro-and 3-amino-derivatives of 4.6-diaminoquinolines : en
  • CA363109A - Thermal latch : en fr
  • DE640448C - Process for the production of molded parts from polyvinyl alcohol-aldehyde condensation products : de en
  • US2067028A - Lock for pipe couplings : en
  • USD102658S - Design for a plate : en
  • US2066777A - Coupling system : en
  • US2066928A - Network for tower lights : en
  • US2067092A - Marking machine : en
  • FR807298A - Injector device for high speed internal combustion engines, particularly for diesel engines : en fr
  • US2066708A - Closure for bottles or other containers : en
  • US2066890A - Photocomposing machine : en
  • USPP216P - Hybrid poplar : en
  • CA363140A - Electric switch : en fr
  • CA363200A - Telephone system : en fr
  • GB459344A - Process for increasing slip in structureless foils composed of highly polymeric materials : en
  • GB459332A - Improvements in centrifugal separating machines : en
  • US2067042A - Hinge : en
  • US2067100A - Organic mercury silicate and process of preparing same : en
  • US2067136A - Wall bed : en
  • US2066517A - Metallic bulb and holder : en
  • USD102638S - Design foe a tube ok similar : en
  • GB459283A - Improved floor construction : en
  • FR807274A - Jacquard mechanical walking rod for looms and looms equipped with this walking rod : en fr
  • FR807336A - remote controlled jaw and shear stretchers : en fr
  • GB459158A - Improvements in or relating to circular looms : en
  • GB459280A - Improvements in or relating to directional magnets for arc-lamps : en
  • GB459285A - Improvements in and relating to the manufacture of wire brushes : en
  • GB459481A - Improvements in and relating to advertising and display devices : en
  • CA363222A - Sewage treatment : en fr
  • USD102657S - Design fok : en
  • US2066450A - Hydraulic clutch : en
  • GR6219B - USE OF CELLOIP FOR THE MANUFACTURE OF THE INTERNAL HARD OF THE SHOE MASK. : el en
  • CA363257A - Mathematical instrument : en fr
  • CA363148A - Electrical winding : en fr
  • GB459169A - Improvements in and relating to centrifugal electric switches : en
  • GB459480A - Golf club head : en
  • US2066717A - Stabilized terpene-oxide preparations : en
  • US2066830A - Device for preventing theft of gasoline from fuel tanks : en
  • US2067044A - Portable standpipe : en
  • USD102630S - Design fob a washing machine : en
  • GB459168A - Improvements in or relating to gas fired ovens or furnaces : en
  • GB459229A - Portable starting stalls for race tracks : en
  • GB459301A - Method of and apparatus for the electrical precipitation of suspended particles from gases : en
  • US2066360A - Forging machine : en
  • DE640575C - Drive drum for conveyor belts u. like : de en
  • US2066605A - Camera : en
  • FR807109A - Mechanical loading device : en fr
  • GB459320A - Process for improving rosin : en
  • GB459436A - Manufacture of anhydrous ferric sulphate : en
  • GB459443A - Improvements in the regulation of rectifiers by means of grids : en
  • GB459225A - Improvements in screw propellors : en
  • CA363134A - Railway truck : en fr
  • GB459459A - A process and apparatus for desiccating or drying liquid films : en
  • US2066396A - Current transformer : en
  • US2066713A - Adjustable head size form : en
  • US2067004A - Refrigerating apparatus : en
  • US2066915A - Dioxazine dyestuffs and a process of preparing them : en
  • DE640561C - Circuit arrangement for displaying unauthorized tampering with coin operated telephones in the exchange : de en
  • FR807249A - Further training in armchairs, deckchairs and similar seats : en fr
  • GB459396A - Improvements in multiple filament incandescent electric lamps : en
  • GB459417A - Improvements in or relating to methods of and means for applying binders about bales, packages or the like : en
  • USD102619S - Design fok a shoe : en
  • US2066573A - Fluid pressure brake : en
  • DE633744C - Process for keeping fish fresh : de en
  • FR822830A - Process for increasing the corrosion resistance of machining parts made of light metals and light metal alloys, by anodic oxidation : en fr
  • GB459244A - Improved method of, and means for, polishing or surface treating hollow-ware and like articles : en
  • GB459502A - Improvements in and relating to spray or shower bath devices : en
  • US2066593A - Means for protecting and lubricating journals : en
  • US2066346A - Manifold record supply packet : en
  • US2066352A - Vehicle : en
  • US2067074A - Freezing tray : en
  • US2066370A - Steam exhaust pipe arrangement for articulated locomotives : en
  • US2066420A - Cleaning device : en
  • US2066763A - Material controlling scale : en
  • DK52514C - Scanning Procedure. : da en
  • CA363213A - Sheet metal rolling method : en fr
  • DE640457C - Brief binder in the form of an angle with a cord attached by a knot : de en
  • FR807294A - Process for preparing a product for destroying rodents and in particular rats, starting from a product based on sea scilla : en fr
  • US2066798A - Rubber molding : en
  • US2066956A - Automatic coupling : en
  • US2066560A - Variable speed drive mechanism : en
  • USD102659S - Design for a refrigerator : en
  • DE640463C - Directional roller for electric vehicles : de en
  • US2066622A - Process of making formaldehyde : en
  • US2066919A - Regulating system : en
  • FR807260A - Process for the preparation of thiazthionium chlorides : en fr
  • GB459335A - A translucent material impermeable to ultra-violet rays and a process for the production thereof : en
  • US2066508A - Electrical control system : en
  • FR807215A - Crude cellulose disintegration process : en fr
  • US2066714A - Car loading device : en
  • US2066716A - Pliers : en
  • US2066867A - Injector heater : en
  • US2066930A - Elevator : en
  • DE640652C - Process for the production of a fertilizer from blast furnace slag : de en
  • FR807090A - New electric braking process, in particular for vehicles with thermoelectric transmission : en fr
  • US2066888A - Cross-wound warp beam : en
  • US2066842A - Coating magnesium : en
  • US2066936A - Device for cementing optical lenses : en
  • CA363122A - Hydrocarbon processing : en fr
  • CA363154A - Electric switch : en fr
  • US2066339A - Artificial materials : en
  • FR807331A - Apparatus for tightening and shrinking split railway sleepers : en fr
  • CA363295A - Caterpillar traction system : en fr
  • FR807258A - Cobalt-chrome magnet steel : en fr
  • GB459376A - Improvements relating to poles or masts : en
  • US2066377A - Coil holder : en
  • US2066968A - Manufacture of light-sensitive materials : en
  • IE14512L - Dry gas-holder : en
  • CA363298A - Loose leaf binder : en fr
  • FR807150A - Mode of establishment of tickets in bands : en fr
  • GB459517A - Improvements in or relating to metal wall-boxes for use in the flush-mounting of tumbler-switches, coupling sockets and similar electrical units : en
  • GR6216B - SUITCASE AND BED ROOM. : el en
  • US2066719A - Manufacture of bags : en
  • DE640437C - Window arrangement for motor vehicles with two panes arranged in a window opening : de en
  • GB459236A - Improvements in and relating to corsets for ladies' wear : en
  • GB459467A - Process for the manufacture of vitamin preparations : en
  • CA363198A - Vinyl monohalide processing : en fr
  • US2066515A - Method of heat treating magnetic materials : en
  • US2066673A - Device for conveying high-volatile fuel : en
  • GB459515A - Manufacture of plastic masses : en
  • US2066907A - Signal and control system for elevators : en
  • GB459175A - Improvements in safety milk bottle containers : en
  • US2066332A - Carrier wave transmission system : en
  • DE640454C - Ignition device for rotatable oven burner tubes : de en
  • US2066371A - Method of desulphurizing artificial filaments of viscose : en
  • US2066820A - Slot mechanism : en
  • USD102662S - Design for a vehicle wheel : en
  • GB459160A - Improvements in or relating to fluid pressure operated lifting jacks : en
  • US2066721A - Belt tightening means : en
  • US2066990A - Ladder : en
  • US2067117A - Sealed container : en
  • CA363212A - Sheet piler : en fr
  • DE640603C - Collar button with flat web and a counter plate on the button foot : de en
  • GB459255A - An improvement in or relating to boilers for heating water or generating steam : en
  • GB459439A - Improvements in or relating to electrical musical instruments : en
  • US2066436A - Projection system : en
  • US2067112A - Adjustable water supply controlling valve assembly : en
  • DE640439C - Combined electric doorbell and door opener system, especially for residential buildings : de en
  • US2066837A - Safety razor : en
  • DE640658C - Thread guide tube for spinning motors : de en
  • US2066615A - Hammer mill : en
  • GB459484A - Improvements in bust supports with inserted breast pockets : en
  • DE640570C - Device for automatic control of the delivery rate in lubricant pumps : de en
  • US2066664A - Furnace and method for heating fluids : en
  • US2067019A - Phthalic anhydride recovery : en
  • US2066471A - Draft yoke for railway cars : en
  • US2067001A - Machine for removing moisture from absorbent pads : en
  • US2067054A - Synthetic resin and method of producing : en
  • GB459129A - Improvements in or relating to wrapping machines : en
  • GB459450A - Improvements in and relating to road vehicles : en
  • US2066479A - Fluid straining method and apparatus : en
  • US2066999A - Testing of gear hobs and the like : en
  • USD102611S - Design fok a textile fabric : en
  • DK52530C - Drinking vessel for Poultry. : da en
  • US2066338A - Tobacco feeder for cigarette machines : en
  • US2066753A - Knock-down container : en
  • US2066852A - Swivel chain link : en
  • USD102647S - Design fok a plate ok similar article : en
  • CA363231A - Refrigerator car door : en fr
  • DE640419C - Crank gear with automatic adjustment : de en
  • US2067161A - Sewage treatment apparatus : en
  • US2066438A - Keeper device for door latches : en
  • US2066806A - Oil burner : en
  • US2066877A - Attachment for beverage dispensing faucets : en
  • US2066881A - Defecator : en
  • FR807324A - Device for dividing wort in defecation tanks : en fr
  • CA363209A - Sedimentation apparatus : en fr
  • FR807250A - Advanced bench press : en fr
  • FR807255A - Arrangement for the creation of a sleeper sled by means of two skis : en fr